(PhysOrg.com) -- A new study published on arXiv.org shows that, based on computer simulations, Jupiter, Saturn, Uranus and Neptune may not have been the only gas giants in our solar system. According to David Nesvorny from ...
Astronomers using ESO's world-leading exoplanet hunter HARPS have today announced a rich haul of more than 50 new exoplanets, including 16 super-Earths, one of which orbits at the edge of the habitable zone of its star. By ...
Astronomy
Sep 12, 2011
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(PhysOrg.com) -- At this very moment one of the fastest spacecraft ever launched -- NASA's New Horizons -- is hurtling through the void at nearly one million miles per day. Launched in 2006, it has been in flight longer ...
Space Exploration
Sep 5, 2011
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It is our general understanding of solar system composition that planets fall into two categories: gas giants like Jupiter, Saturn, Neptune and Uranus… and rocky bodies that support some type of atmosphere like Earth, ...
Astronomy
Aug 8, 2011
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(PhysOrg.com) -- Today, Neptune has arrived at the same location in space where it was discovered nearly 165 years ago. To commemorate the event, NASA's Hubble Space Telescope has taken these "anniversary pictures" of the ...
Astronomy
Jul 12, 2011
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(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered ten new planets. Amongst them is one orbiting a star perhaps only a few tens of million years old, twin Neptune-sized planets, ...
Astronomy
Jun 15, 2011
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(PhysOrg.com) -- Scientist explains how it may be possible for the planets Neptune and Uranus to contain liquid diamond oceans.
By travelling to the outer solar system, the two Voyager spacecraft allowed us to see amazing details of far-distant planets and moons.
Space Exploration
Nov 2, 2009
3
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The CoRoT satellite has discovered a planet only twice as large as the Earth orbiting a star slightly smaller than the Sun. It is the smallest extrasolar planet (planet outside our solar system) whose radius has ever been ...
Astronomy
Feb 3, 2009
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Wake up early this weekend to catch a celestial sight: Five planets will line up in the sky before sunrise on Saturday.
Planetary Sciences
Jun 16, 2023
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