about google mars information,google mars 3-d,googlemars3-dimensional, 3 dimensional   google mars application google on mars, google lands on marsThe first map of Mars - the red planet was published in 1895 by Percival Lowell. After years of telescopic experiments of the neighbor planet Lowell came up with an amazing pictograph of Mars that enticed interests of millions across the globe. Time's different now. Everything is at your finger tips. You can use your web browser to find what's there in Mars. Yes, those smart brains, who brought you the astounding Google Sky and Google Earth have now come up with what they call Google Mars. In collaboration with the NASA scientists at Arizona State University, they have created the most scientific map of Mars. Never before this any map of Mars, as detailed as this, was made. Good news is that all the three software, the Google Earth, Google Sky and Google Mars are now a complete package and downloading it is quite easy. The 3-dimensional topographic views of Mars is now so realistic that exploring the virtual Mars is really an amazing experience. Noel Gorelick, the tech lead for the Google Astro team said about the data and images,"It's as raw as it possibly can be". The data that comprises Google Mars 3-D doesn't look like the processed and touched-up/edited images. Students, teachers and parents will find their hours frozen with fun and excitement while soaring through the alien trenches on the red planet.

Most of the imagery used in 3-D Google Mars is publicly available and are easily accessible on sites across Internet, said Noel Gorelick, the project leader. This new tool helps to explore the whole of Mars by fetching data together in the same place and at the same time. That's where the value of the tool lies, thinks Gorelick. The data and the imagery that can be found in Google Mars 3-D are based on the pictures received from the landers and orbiters since years. Ashwin Vasavada, the NASA researcher in Jet Propulsion Laboratory (JPL), who wasn't tied to the Google Mars 3-D project, said:"We spend the money to send craft to study Mars, but compiling all that data isn't something NASA has the resources to do".about google mars information,google mars 3-d,googlemars3-dimensional, 3 dimensional   google mars application google on mars, google lands on marsNoel Gorelick, a NASA veteran for 19 years joined GOogle in 2006. He used the NASA's images of Mars to create the 2-D application called Google Mars. On further processing the data from NASA, the U.S. Geological Survey, the European Space Agency and from other reliable sources, Gorelick ungraded the Google Mars map application into 3-dimensional version, thereby creating scopes for the armchair explorers to spy on the red planet.

Google Inc. and NASA joined hand to launch the Mars add-on for the Google Earth application in February, 2009 that has it's popularity already at the peak. The the Google Mars 3-D updates of March, 2009 enlists more interesting features like
spanning back to see the historical globe maps of Mars, watching real-time orbital tracks of space craft and guided exploration of Mars. Interestingly, the users of Google Mars 3-D application can explore the Mars and spot out the points of some of the NASA landers and rovers.

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Hey... how many planets are there in our Solar System? The answer is 8! Wondering? Read out...

Until 2006, nothing was officially known about Eris. Eris is the largest known dwarf planet that had been discovered while a team of three astronomers, Mike Brown (Caltech), Chad Trujillo (Gemini Observatory), and David Rabinowitz (Yale University) were on a survey at Palomar Observatory's Samuel Oschin telescope. They suggested the name officially on September 6, 2006 which was accepted and announced on September 13, the same year. This discovery of new planet stirred up a buzz across Internet as well as many science magazines.

Myth About Its Name:

The name has been given in honor of the Greek goddess warfare and strife - ERIS, who's believe to breed the sense of jealousy and causes aggression among men. Greek mythology documents a story of the wedding of Peleus and Thetis, where all Gods were invited except Eris. Enraged at the exclusion, Eris spitefully caused a situation when Gods got involved in a quarrel that caused the Trojan war. Keeping the myth in mind, the researchers named the new planet Eris, as it caused a great lot of confusion among the members of international astronomical community in a discussion board at International Astronomical Union (IAU) in Prague, regarding the planet's proper designation. The meeting ended up with a conclusion that Pluto and Eris had to be demoted to Dwarf-Planet category, setting apart the solar system with only 8 planets! Both Pluto and Eris are the distant objects ever seen in orbit around the sun.

It was literally not possible to say how bit Eris was when it was first discovered. Researchers were gripped in confusions regarding it's size, because all they could see was a dot of light, which was actually the sunlight reflected off Eris's surface. Another big confusion was that the researchers didn't know if the object was bright because of it's highly reflective surface or because of it's large size or both. The discoverers said: "When an object is too far away to directly see how big it is, astronomers use an indirect method instead where they measure the heat coming from the object. If we wanted to measure the size of a fire, for example, we could do it by measuring the total amount of heat coming from the fire. The temperature of the flames in a match and a bonfire are essentially the same, but a bonfire emits much more heat because it is much bigger. The same is true of distant planets. Because we know how far away the planet is we have a pretty good idea of the surface temperature (a frosty 405 degrees below zero!), thus when we measure the total heat we can tell how big the object is. Unfortunately, the new planet is so far away and so cold that our first attempt at measuring the heat, using the Spitzer Space Telescope, could not detect the heat output. This fact tells us that the object must be smaller than about 3300 km."

Discovery of a New Planet Solar System 8 planets about Eris dwarf planet dwarf-planet surface of Eris distance of Eris from the sun Astral Science,  Planet Science
Atmosphere and Surface of Eris

The discoverers study the composition of the dwarf-planet, Eris by studying the sunlight reflected off of the new object. They used the Gemini Observatory on Mauna Kea, Hawaii to study sunlight reflected off of the surface of Eris and found remarkable similarities with Pluto, although not completely identical! Surface of Pluto is moderately red, while Eris appears to be white. Since Pluto has a mottled surface, it reflects 60% of the sunlight on an average, which hits it. Eris has comparatively uniform surface, which makes 86% (+/- 7%) of the sunlight to reflect back. The distance of Eris from the sun is so great that its surface is a frozen solid! In around 280 years or so, Eris will be around 2.6 time closer than it's current location from the sun. Over the next 280 years the absolute temperature of Eris will eventually rise by a factor of 1.6 (which is the square root of 2.6). Currently the temperature of Eris is minus 405 degree.

Facts About This New Planet - Eris:

  • Discoverers - Brown, Trujillo, Rabinowitz
  • Size - 2400 +/- 100 km (105% Pluto)
  • Brightness - 4th brightest Kuiper belt object (KBO)
  • Current distance - 97 AU
  • Orbital period - 560 years
  • Closest approach to sun - 38 AU
  • Visibility - late summer, fall, early winter
  • Tilt of orbit - 44 degrees
  • Furthest from sun - 97 AU

Note: AU means Astronomical Units. 1 AU = 149 598 000 kilometers

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