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extraterrestrial life
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Planet TOI 700e Photosynthesis Mars Earth at night telecommunication antennas Saturn: surface of Titan Moon Mercury seasons of Mars Mars as seen by Hubble Space Telescope compared with an 1894 map of Mars
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Ufo, alien, space over trees.
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Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)
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US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.
Timeline of the 2000s
Illustration for Demystified "How Dangerous is Quicksand"
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Poker game. Card game. Royal Flush in poker. Hearts suit gambling
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Aspirin pills.
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Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
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extraterrestrial life: Related Content

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Photos and Videos

Planet TOI 700e
Photosynthesis
Mars
Earth at night
telecommunication antennas
Saturn: surface of Titan
Moon
Mercury
seasons of Mars
Mars as seen by Hubble Space Telescope compared with an 1894 map of Mars
the possibility of life on Mars
Know about the icy surface of Jupiter's moon Europa and the possibility of life beneath it
Examine the speculation of the presence on Mars of life that originated on Earth and, alternatively, life on Earth that originated on Mars
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Key People

Carl Sagan
Carl Sagan
American astronomer
Learn about Niels Bohr and the difference of opinion between Bohr and Albert Einstein on quantum mechanics
Paul Davies
British physicist and astrobiologist
Freeman Dyson
Freeman Dyson
American physicist
Percival Lowell
Percival Lowell
American astronomer