Are we alone in the universe? It's a question that has always fired the human imagination. The more we learn, the more unlikely it seems that Earth is a lone miracle inhabiting life amid galaxies of lifeless planets. Many ...
Astronomy
Mar 20, 2014
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The Earth's atmosphere contains oxygen because plants continuously produce it through photosynthesis. This abundant supply of oxygen allows life forms like animals to flourish. Therefore, oxygen had been thought to be an ...
Astronomy
Sep 10, 2015
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For countless generations, human beings have looked out at the night sky and wondered if they were alone in the universe. With the discovery of other planets in our solar system, the true extent of the Milky Way galaxy, and ...
Astronomy
May 25, 2015
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High school senior Dominick Rowan of Armonk, New York, is making discoveries about other worlds. Working with University of Texas at Austin astronomer Stefano Meschiari, Rowan has helped to find a Jupiter-like planet and ...
Astronomy
Dec 10, 2015
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(Phys.org) —The Kepler mission has revolutionized the study of exoplanet statistics by increasing the number of known extrasolar planets and planet candidates by a factor of five, and by discovering systems with longer ...
Astronomy
Jun 3, 2013
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A "super-Earth" is a planet around another star (an "exoplanet") whose mass is less than about ten times that of the Earth. Of the 480 or so extrasolar planets now known, most have masses larger than the mass of Jupiter, ...
Astronomy
Aug 27, 2010
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Using radial velocity method a group of Japanese astronomers has found that two evolved stars, namely 24 Booties and Gamma Librae, are orbited by gas giant planets. They discovered that 24 Booties hosts one planet, while ...
(PhysOrg.com) -- Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune has a diameter ...
Astronomy
Jan 20, 2009
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(PhysOrg.com) -- Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA's Kepler spacecraft just launched to find such worlds. ...
Astronomy
Mar 20, 2009
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(PhysOrg.com) -- In their quest to find solar systems analogous to ours, astronomers have determined how common our solar system is.
Astronomy
Jan 5, 2010
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