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Showing posts with label Science. Show all posts
Showing posts with label Science. Show all posts

Wednesday, 28 September 2011

'Lost City' Discovered in Turkey



A group of scientists and archaeologists from the University of Canakkale has found the remains of an ancient lost city, and even over the city of Troy, who is buried in the Dardanelles.


As quoted in the National Turkish, Wednesday (09/28/2011), a study led by Professor Rustem Aslan, found the remains of an ancient city in the region Erenkoy, Canakkale, Turkey. After getting the evidence, the research team continues to improve the intensity of research and found evidence of many other complementary ..


Based on research, the scientists concluded that the objects the results derived from an ancient city seven thousand years old. Then, from these results that also believe ba


"We are confident of pottery were found, it is estimated that the city was about 5,000 years before Christ. We also believe that culture on the coast of the Bosphorus and the Dardanelles had been buried under the water," said Professor Rustem Aslan.


"The things we found was 90 percent under water. This is what might indicate the water level of the Dardanelles in the past," he said.


The discovery of this ancient city is of vital importance to scientists and historians of Turkey, as it could be a source of funds for excavations that are next.


Tuesday, 30 August 2011

Hurrican Irene Go Beserk


TRMM satellite owned by Space Agency (NASA) described the magnitude of Hurricane Irene in the Bahamas. This storm occurred in a span of hundreds of miles from north to south in the chain of islands, seen hit the Bahamas, a country that consists of 29 islands, 661 coral islands, and 2387 this small island.

From the name, or a satellite TRMM Tropical Rainfall Measuring Mission, a satellite to monitor rainfall in the tropics. However, these satellites are also monitoring the humidity of water vapor due to hurricane Irene. According to NASA's TRMM satellite also has the ability to know the level of rainfall, heavy clouds, and hot clouds that serve as the heating of the storm.

Hurricane Irene struck the Bahamas on Friday morning, and continued to move north toward the east coast of the United States. Irene including devastating category 3 storm, with winds reaching 115 miles per hour.

However, as quoted from the pages of Time magazine technology, Irene estimated magnitude of category 4, with winds reaching 131 to 155 miles per hour. Rising levels of awesomeness Irene predicted after crossing the warm waters of the Atlantic in the east and south Florida.

NASA later said the satellite passed overhead TRRM Irene since Tuesday, and took some pictures which could give some detailed information. For example, Hurricane Irene did not appear to have 'eyes', or a circular area (cyclone) on tropical storms, which tend to have low wind speed and clear air that surrounds it.

However, when the TRMM pass for the second time at 11:42 o'clock yesterday, 'eye' hurricane Irene in sight. This is because the storm intensified further distributed to the middle and pressure from the center of the storm getting poured. This is an indication of Hurricane Irene will add speed, and kedahsyatannya category 4.


Although Irene is still counted more than 200 miles south of Florida, but its presence increasingly felt threatened. Even The Boston Globe reported, cloud bands (cloud coil) formed Hurricane Irene has been seen in Biscayne Bay, Miami today.

Saturday, 27 August 2011

Nasa Back To Moon


NASA officially announced that it would return the earth to the moon in his latestprogram, called Gravity Recovery and Interior Laboratory (GRAIL). This missionwill be launched on 8 September.

The launch of NASA's return to the moon will take place in the near future, precisely, September 8, 2011. The rocket will be launched from CapeCanaveral in Florida.


Grail is a spaceship that has a double inside. This mission is the task for ninemonths in order to explore the natural satellite of Earth in detail. This is unprecedented.

The two sister ships will determine the interior structure of the moon from crust to core months, so it should be changed human understanding of the thermal evolution of the moon.

As quoted in the Indian spacecraft, Friday (26/08/2011), dual, ie, GRAIL A and B, will fly a longer route to orbit the moon within 3.5 months.

GRAIL A will cover an area about the moon, with an area of 2.6 million miles (4.2 million miles), while 2.7 million miles (4.3 million miles) others will beexplored by GRAIL B.

"GRAIL discover the mysteries of the Moon's formation and also helps us to understand how the moon, Earth and other rocky planets could evolve," saidMaria Zuber, principal investigator of the Massachusetts Institute of TechnologyGrail.

GRAIL launch period will begin on September 8 and is expected to return onOctober 19, 2012.

Wednesday, 24 August 2011

Stars temperatures as warm as the Human Body



Scientists have discovered a star of 'cold' in the universe, where the temperature can be as hot as the human body.

As quoted from Softpedia, Thursday (08/25/2011), astronomers are studying the data collected by NASA telescope's Wide Field Infrared Survey Explorer (WISE), which found a number of types of the coldest star the universe. Space objects is estimated that the same temperature as the body temperature.

There are several types of cool stars in the universe, including stars, Little Brown. These things are so cold its temperature compared to normal stars, with temperatures of a few hundred degrees Celsius only.


Some of these celestial objects referred to as "failed stars", which means they are formed from hydrogen gas that do not develop naturally with success. The failure of the nuclear fusion process that makes the formation of stars are of low temperature.

In these studies, the new objects is known as a small star of Y. Astronomers have been searching for objects for years.

Through WISE, scientists were able to find six small stars, all within 40 light years from the sun.


This research leaders are members of the team WISE, Michael Cushing, based at the Jet Propulsion Laboratory (JPL) in Pasadena, California. JPL team set WISE mission for U.S. space agency (USA), Scinece Mission Directorate, which is also based on the NASA headquarters in Washington.

Eternal Thunderstorms Throughout The Year


An unsolved mystery of lightning occurred in Venezuela. A total of 40 000 flashes pierce the sky for 9 hours to 300 nights a year. For local residents, this is known as "Lightning Catatumbo" or "Lightning Catatumbo."

The natives of northwestern Venezuela has witnessed the phenomenon of "ribs" or "river of fire in the sky" has been for centuries. "I saw the first ray when he was eight years old," said Erik Quiroga, a native of the area, quoted by ABC News, August 23, 2011.


According to Alan Highton, a tour guide, this phenomenon is not found elsewhere in the world.

But something strange happened last year. For the first time, the phenomenon of lightning disappeared. In January 2010, none of the visible rays. Then, mysteriously, when the phenomenon is estimated to have been stopped, started again. This phenomenon is directly recorded by NASA satellites.

I suspect Quiroga, a change that could result from a change from El Niño to La Niña, global climate phenomenon, characterized by a remarkable ocean temperatures hot and cold in the Pacific Ocean, east of the line of Ecuador. Scientists believe that this miracle is also affected by El Nino caused a severe drought in Venezuela.

In fact, according to The Guardian, this loss of a lightning hit on stempat residents. Because the phenomenon of lightning is eternal traditionally used by sailors to navigate.

Tuesday, 23 August 2011

Scientists Discover Planet 'Snow White'


Astronomers United States (USA) says that a minor planet discovered by scientists to have a layer of ice and a little atmosphere.

Quoted by UPI on Wednesday (24/08/2011), nicknamed Snow White a small planet was covered by a layer of ice and have a bit of the atmosphere.


Scientists at the California Institute of Technology say that a small planet in the name of science 2007 OR10 may have a few layers of methane, the rest of the elements that make up the atmosphere.

"You will be able to see a beautiful picture of a planet that used to have volcanoes and the atmosphere, which is now just a cold and airless planet," said Mike Brown, professor of planetary astronomy at the California Institute of Technology.

"Small Planet is on the tip of the limits of our solar system and half the size of Pluto," he said.

Small Planet, a distance is also part of a collection of icy objects at the end of the space in our solar system called the Kuiper Belt.

"We are currently studying the planet when" live "Snow White," Brown said.

"Over the past four and a half million years, the snow-white world was already there, and then began to lose its atmosphere. It is now very little of the small planet's atmosphere," he said.

Aliens Attack Earth Since Feeling Threatened


Everything we do on earth seemed to threaten us. It's not a question of why we must save the Earth?

NASA created a new report, written by NASA scientists at Penn State. It was explained that the report shows that there is a relationship in which the aliens are green, blue and orange out there can see as harmful to the man-made emissions, is considered a threat to them.


Maybe the aliens on Earth that has more risk than they expected. The report was questioned, perhaps the signal for foreigners here say that the unit is growing rapidly and must be destroyed before it grows even more.

In order to carry out attacks, the alien may be grabbing people and the destruction of the human body to kill a small ant. But maybe the aliens living with us?

NASA reports that philosophically entitled 'Is the contact with extraterrestrials is beneficial? "It offers three categories of possibilities.

As quoted in Cnet, on Friday (08/19/2011), a foreigner can become a very mysterious man, who just want to learn to play cricket, make baked Alaska and teach us to attack political opponents or social only laser that arise from the nails.

The second possibility is that the aliens have regarded man as a nuisance, and felt that people can afford. This report argues that may also be more bureaucratic, that encourage us to make the attack.

Or just may want to bake Alaska and attack humans. This may occur because vicious aliens, or just because they are a little awkward to do so.

If true, then Stephen Hawking warned in advance that the aliens might actually hate humans. However, this report attempts to compile many different stories, which is associated with the future of humans with other creatures.

Monday, 15 August 2011

Survive 438 Days on 'Mars' By 99.908.667 USD



Six cosmonauts from Russia, Italy, France and China, managed to break the record for staying the longest space mission in a simulated landing on Mars of 438 days.

Using the "plane" called Mars500, surviving on granola bars and pasta and minimal contact with family and relatives. This simulation was conducted at the Institute of Biomedical Moscow, Russia, and last approximately 17 months. The plan, the mission will end when the day 520.

If the last full up to 520 days, then each receive U.S. $ 100 million (Rp853 billion). However, until Sunday, August 14, 2011 local time, six and broke the record in the 438 days that had been held real cosmonaut Valeri Polyakov.

For more information, Polyakov is the record holder for endurance in space by spending 437 days orbiting the Earth in 1995.

During 438 days, the six astronauts feel like life on Mars with the natural conditions are adjusted to the original. The cosmonauts worked on a volume of enclosed space of 550 cubic meters, without windows, and are observed by doctors and psychologists.

From The Australian, August 15, 2011, each astronaut has a small bed, a desk and a pair of underpants. There was no bathroom in the simulation space. To clean themselves into a room like a sauna room and use paper towels to wash all the dirt.

Although only a simulation, the experiment was hailed by Polyakov as a cosmonaut who was never really into outer space. "Now is not the time to calculate how much time has passed, but how much time is left. This (simulation) have a positive effect," Polyakov said.

The six cosmonauts involved three of them from Russia, that is, Aleksandr Smoleevskiy, Sukhrob Sitev Kamolov and Aleksi. And the other three are Diego Urbina (Italy), Wang Yue (China), and Romain Charles (France).

Sunday, 14 August 2011

Could 'Jurassic Park' Being Real?



The more rapid progress of science and technology now allows scientists to raise the claim that dinosaurs like 'Jurassic Park' cinema box office 18 years ago.

However, it was rejected by scientists. Evaluate the story in the film adaptation of Michael Crichton's novel is impossible.

In the novel and film, the dinosaurs resurrected after a group of archaeologists have found fossils of mosquitoes that DNA from the blood of dinosaurs that scientists could develop these ancient creatures to put in the alligator embryo.

Scientists say that is impossible, the article of the DNA molecule is destroyed over time. Paleontologists from Montana State University and advisor throughout the film Jurassic Park Jack Horner explained that after 500 thousand years, rarely does the DNA remains intact. Meanwhile, since the dinosaurs became extinct 65 million years.

Horner said, although he and some colleagues had discovered soft tissue in Tyrannosaurus rex in 2005, there has never been scientists who discovered the dinosaur DNA.

"The soft tissue was prepared by biomolecules instead of DNA," Horner said, quoted by LiveScience, Sunday (14/08/2011).

In fact, Horner continued, if one day the DNA of dinosaurs were discovered, its composition has been damaged, making it very difficult for scientists to 'sew' back to the DNA.

Although he could not revive the dinosaurs, human beings can "create" dinosaurs like creatures. In recent years, several groups of scientists are working to make the reports, the characteristics of the dinosaurs in the chicken.

Directed by Horner, a group of scientists hopes to grow a chicken that has teeth, claws and tail, or "dinosaur chicken", after finding the mutant embryos in the chickens of 2005.

New Investigations About Mystery Dinosaurs



Knowledge of dinosurus has captivated audiences for decades. However, a new exhibition in the United States (U.S.), aims untu shows that there are still many secrets about the giant reptiles that are still unclear.

Area of 1,300 square meters has been allocated to the museum galleries in Los Angeles history, natural miniature arranged for the museum's opening is scheduled for July 16 and is presented as an important step in improving the museum before anniversary of the 100 in 2013.

The gallery will feature nearly 300 fossil skeletons of 20, together with the signals in the details that may explain some of the questions of the experts, like the dinosaurs ate, how they reproduce, and why they disappeared?

"The emphasis is on how we know what we know. This is science. We know a lot about dinosaurs, but little is known about them." Said Luis Chiappe, curator in chief who heads the institute dinosaur museum, told The Straits Times on Tuesday (12/07/2011).

Exposure from specimens to illustrate how scientists ask questions and sometimes answer is in part designed to respond to the surprise of visitors who have been watching dinosaurs on TV and film.

"Turning on the television and watch some documentaries on dinosaurs, make you feel as if they knew all about him and did not. There are so many things we need to know," Chiappe cover.

Last Dinosaur Fossil Proven Dead Due to Asteroids


A fossil dinosaur horn one of the last living proof that a large meteorite attack killed the entire species of dinosaurs.

Quoted by the Daily Mail on Friday (15/07/2011), the fossil is 45 cm long horn horned dinosaurs that are owned horned dinosaur Triceratops. The fossil was discovered in a geological site known as the Hell Creek Formation in an uninhabited land in southeastern Montana, United States (U.S.), where the previously found fossils of dinosaurs have been many others.

Something that makes it interesting is the discovery of this fossil is only 13 cm below the layers of rock. This is the most superficial of fossil discoveries in the history of fossil fuels consumed by the search for the excavation of up to tens of meters, much less is a dinosaur fossil.

This indicates that the last dinosaurs disappeared from Earth's civilization. While scientists believe that dinosaurs and then disappear quickly after a global catastrophe with a rock attack asteroid to Earth in those days.

"This discovery provides evidence that dinosaurs did not die slowly before the meteorite hit," said Dr. Tyler Lyson, of Yale University in New Haven.

"The fact that this issue was so close to the border showed that at least some dinosaurs were doing the rescue work was finally exposed to the impact of an asteroid," Lyson said.


See "Could 'Jurassic Park' Being Real?"


Friday, 12 August 2011

New Moon Found Circling Pluto.


WASHINGTON - Astronomers have discovered the fourth month of the ice dwarf planet, Pluto, said the National Aeronautics and Space Administration (NASA).

As quoted in The Hindu on Monday (7/25/2011), a new small satellite, which was referred to temporarily as P4, which is found in a study using the Hubble Space Telescope, while in search of rings around Pluto .

P4 was first seen in a photograph taken with the Wide Field Camera of the Hubble telescope. He also announced that the Hubble took these pictures on 3 and 18 July.

Moon called P4 called rocket scientists as minor objects found around Pluto. Considers that the P4 has a diameter of 13 to 34 kilometers. By comparison, Charon, the largest satellite of Pluto property has a diameter of 1043 km. While two moons of Pluto, Nix and Hydra, have a diameter of 32 to 113 kilometers.

"It's very valuable because Hubble telescope's camera is able to show us an object that is up to five million kilometers," said Mark Showalter of the SETI Institute in California, who led the research program.

P4 is located between the orbits of the moon Nix and Hydra, which were also found by the Hubble Space Telescope in 2005.

While Pluto's largest moon, Charon, was first discovered in 1978 in the United States Naval Observatory (USA) and was first observed using the Hubble Space Telescope in 1990 as a separate piece of Pluto.


Study: Results form the Moon Is a Collision



In the first collision of two orbiting the Earth to explain why the current month returns and the texture is slightly different from the two sides, said the scientist.

The study, published in the journal Nature, indicates that the Moon was once accompanied by a smaller satellite. Both were around the Earth about 4 billion years. Similarly, quoted by Reuters on Thursday (08/04/2011).

"But because both the Moon continues to evolve, as well as the influence of the Sun's gravity, making even the stability of both the satellite is unstable, so eventually the collision occurred," says Erik Asphaug, a planetary scientist at the University California.

Described by Asphaug, that after the process 100 million years, eventually crashing into a smaller moon of each month. Collision of two satellites now explains how the moon's surface has two different faces: the thin and thick.

Collision of two months is also known as the contributing factors for the current month and the oval a bit unusual. However, scientists acknowledge that the research would be the Earth is not easy.

Asphaug also said that elements of the collision are still a hot liquid material, until he stood in the cooling process below the surface of the moon.

Scientists Discover Mysterious Black Planet


Scientists say they have discovered a distant planet in black that is darker than coal.

As quoted in The Age, Friday (08/12/2011), the planets discovered by scientists dark reflects only one percent of dikitarinya starlight.

"The planet, called TrES-2b is a gas giant like Jupiter-sized, solid as a rock rather than a planet like Earth or Mars," the astronomers said.

Planet TrES-2b orbits the star GSC 03549-02811, about 750 light-years away in the constellation Draco, the Dragon.

"TrES-2b has a darker color of acrylic paint, so the planet is a very mysterious world," said David Kipping, Harvard-Smithsonian Center for Astrophysics.

Mysterious black planet itself was first seen by scientists around five years ago.

The distance between the TrES-2b orbits the star is 5 million kilometers. But why the planet is very little reflected light from the sun? Taking into account the distance between Earth and the sun even more, which is approximately 150 million kilometers.

So it was very close to the star, scientists have predicted that the temperature of the planet TrES-2b is about 1,000 degrees Celsius.

"It is unclear what makes this planet is so dark," says David Spiegel of the University of Princeton.

The study, published in the journal Monthly Notices of the use of unmanned aircraft NASA's Kepler.

Thursday, 11 August 2011

Mars Rover Anatomy


A Mars rover is an automatic motor vehicle which is driven across the surface of Mars after landing.
Rovers have several advantages over fixed probes: they examine more territory, which can lead to interesting features that can be placed in positions of sunshine for the months of winter weather and can advance the knowledge of how to carry out control rover remote.

There have been three rovers on Mars successfully, all of which were operated robot. 

The Jet Propulsion Laboratory managed the Mars Pathfinder mission, with its Sojourner and currently manages the Mars Exploration Rover, with its two rovers, Spirit and Opportunity, the NASA Office of Space Science, Washington, DC. (There have also been two successful Mars rovers are not: in the 1970 Soviet Lunokhod sent two vehicles to the moon.


Mars Rover Reaches an Ancient Crater.


3 years of trundling through the treacherous dunes brought the NASA rover Opportunity to its target more importantly - a huge crater called Endeavour was once soaked with water and could give clues to whether life once existed on Mars.

Orbital observations indicate the rocks at the edge of Endeavour are more than 3.5 million years and date from the first phase rainiest in the history of Mars, where water carved channels draining large throughout the planet. So far, neither opportunity nor the now-defunct sister Spirit (see "Vehicles at a glance") considered the rocks that clearly date from this period.

"This is potentially the most exciting scientific opportunity of the rover mission yet," said John Callas, director of mission at the Jet Propulsion Laboratory in Pasadena, California. That's because the orbit mineralogical studies suggest that these ancient rocks formed in an environment hospitable to life.

The rovers have studied the rocks that once immersed in acidic water, salt (see "Blueberry bonanza"). Endeavour 20 kilometers, in contrast, seems to have harbored water friendly to life, because the crater contains clay minerals that require a relatively neutral pH to form. What's more, the orbital measurements do not indicate that the water was salty old - even salt water may be flowing on Mars (see "Water Flow").

Opportunity's arrival at Endeavour marks a major milestone for the mission. The goal seems "incredibly courageous" when it began to go there, says James Wray of the Georgia Institute of Technology in Atlanta.

The robot was designed only to last three months in 2008, when he left a small crater called Victoria, who had been on Mars more than four years (see the route here). "I won a wife, lost a grandfather and moved twice [since then]," says Wray. "From that perspective, it feels like a lot of time has passed."

The robot could reveal how the water in the Endeavour carried. If the rock is inscribed with the waves, which suggests that standing water on the surface, while if the points thread rocks with streaks of clay minerals, which aim to seepage of groundwater, says Wray.

Opportunity to enter Victoria Crater, but it is likely to spend all their time on the Endeavour on the edge. Interior Endeavour is less attractive due to sediment from a later period, the drier the history of Mars has buried the older rocks there.

If you are still working a few years from now, the rover could set off another, smaller crater called Iazu with rocks that are so old. "But smolyan saint, which is about 15 miles away," as far as the walk of three years for Endeavour, said Ray Arvidson of Washington University in St Louis, Missouri. 

He is content to see the opportunity to live the rest of their days examining the rocks and catch amazing views at the edge of Endeavour. "That's a spectacular way to end the mission," he says.




See "Anatomy Mars Rover " 

Blueberry bonanza


Blueberry bonanza

Almost immediately after it landed in 2004 in a region of Mars called Meridiani Planum, Opportunity made ​​a discovery watershed: the rocks at its landing site was formed in ancient lakes.

The test came in part from small "blueberries"  made of hematite, which almost always forms in water. 

The curved lines of sediment said sweeping motion of a stream, while the sulfate salts and the mineral jarosite, which forms in dilute sulfuric acid on Earth, suggests that the water was salty and acidic.

European Telescope Detection of Oxygen in Space



If the previous Scientists has found the Largest Water Clouds in the Universe, now Hubble European Space Agency's Herschel has found the first evidence regarding the confirmation of the presence of molecular oxygen in space, according to a report published this week in the journal Astrophysics.

The road has always eluded astronomers are the stars of the constellation Orion.

"Oxygen gas discovered in the 1770s, but it took more than 230 years to finally say with certainty that these simple molecules exist in space," says Paul Goldsmith, Herschel Project Scientist in the laboratory of the agency NASA in California.

Astronomers say that the oxygen in the ice covering the surface of small dust grains, releasing water and oxygen when heated.

"This explains a little oxygen can hide," said Goldsmith.

"But I found it in large quantities, and still do not understand what is so special that we found it. The universe still hold many secrets."

NASA offers several technologies to support scientific instruments Herschel Telescope, launched in 2009.

Enceladus is Raining on Saturn



Fourteen years ago, astronomers study Saturn through the ESA, becoming the protagonist Infrared Space Observatory discovered a mysterious source of gaseous water in Saturn's upper atmosphere to become the protagonist. Now, ESA's Herschel observatory has become the protagonist discovered exactly where the water is coming from Saturn, Enceladus became player who throws water on its host planet via huge jets of water emanating from its south polar region.

That makes Enceladus only in our solar system to actively influence the chemistry of its mother planet, defining a new relationship between the host planet and satellite.

Enceladus is a machine for real water jet, about 550 pounds of water vapor into space every second. Some of this falls on the Moon itself. Much is lost in space or freezes in Saturn's rings brand. But it happens that between three and five percent fall into a huge donut-shaped torus around Saturn - another kind of ring or ring the already rich world.

Perhaps more importantly, it shows how the moon can influence the chemical composition of its parent planet, raising some interesting possibilities in the area of ​​the formation of the planets in our solar system and elsewhere in the universe. 

After all, the small amount of water vapor that turns into Saturn's upper atmosphere generates protagonist becoming other details related to the oxygen compounds such as carbon dioxide. Could a volcanically active moon potentially the seed of a rocky planet habitable parents and with the right ingredients for life? She became the protagonist's fun to think, anyway.

Beautiful Moon From Space

The moon is only known natural satellite of Earth, the fifth largest satellite in the Solar System. It is the largest natural satellite of a planet in the solar system in relation to the size of their principal, with a quarter the diameter of the Earth and 1 / 81 of its mass. 

Moon can also be very beautiful, here are photos of the moon taken from space.



 
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