A team using the Hubble Space Telescope has imaged circumstellar disk structures (CDSs) around three stars similar to the sun. The stars are all G-type solar analogs, and the disks themselves share similarities with our Solar ...
Astronomy
Sep 14, 2016
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17
On May 2, scientists from MIT, the University of Liège, and elsewhere announced they had discovered a planetary system, a mere 40 light years from Earth, that hosts three potentially habitable, Earth-sized worlds. Judging ...
Astronomy
Jul 20, 2016
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996
A team of astronomers has confirmed the existence of a young planet, only 11 million years old, that orbits very close to its star (at 0.05 AU), with an orbital period of 5.4 days. Approximately 5 times the size of the Earth, ...
Astronomy
Jun 21, 2016
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56
Is our little corner of the galaxy a special place? As of this date, we've discovered more than 1,500 exoplanets: planets orbiting stars other than our sun. Thousands more will be added to the list in the coming years as ...
Astronomy
Dec 11, 2015
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29
At one time, astronomers believed the surface of Mars was crisscrossed by canal systems. This in turn gave rise to speculation that Mars was very much like Earth, capable of supporting life and home to a native civilization. ...
Space Exploration
Dec 7, 2015
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23
BepiColombo is Europe's first mission to Mercury. It will set off in 2017 on a journey to the smallest and least explored terrestrial planet in our Solar System, following in the footsteps of Mariner 10 and Messenger.
Space Exploration
Oct 13, 2015
0
12
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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228
As astronomers continue finding new rocky planets around distant stars, high-pressure physicists are considering what the interiors of those planets might be like and how their chemistry could differ from that found on Earth. ...
Astronomy
Sep 1, 2015
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1293
Studies of materials on the surface of Vesta offer new evidence that the giant asteroid is the source of howardite, eucrite and diogenite (HED) basaltic meteorites, supporting current models of solar system evolution and ...
Space Exploration
Jul 23, 2015
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31
Earth-like planets orbiting other stars in the Milky Way are three times more likely to have the same type of minerals as Earth than astronomers had previously thought. In fact, conditions for making the building blocks of ...
Astronomy
Jul 9, 2015
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