Uranus, the seventh planet from the sun, orbits in the outer solar system, about two billion miles (3.2 billion kilometers) from Earth. It is an enormous world—quadruple the diameter of Earth, with 15 times the mass and ...
Astronomy
Nov 28, 2023
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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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Keep an eye to the sky this week for a chance to see a planetary hangout.
Planetary Sciences
Mar 26, 2023
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Ever since its launch in 1990, NASA's Hubble Space Telescope has been an interplanetary weather observer, keeping an eye on the largely gaseous outer planets and their ever-changing atmospheres. NASA spacecraft missions to ...
Astronomy
Mar 23, 2023
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35
Sometimes kids ask really simple questions – and parents have no idea what the answers are. When one of our colleagues was asked what it sounds like on the planet Uranus, she was stumped. And so were we! So we asked an ...
Space Exploration
Apr 2, 2019
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On the first day of the 15th annual European Space Weather Week, this image from the NASA/ESA Hubble Space Telescope fittingly shows a striking occurrence of celestial weather in the outer reaches of the Solar System: an ...
Space Exploration
Nov 5, 2018
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Missing out on the morning planetary action?
Space Exploration
Feb 10, 2016
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It seems as if the planets are fleeing the evening sky, just as the Fall school star party season is getting underway. Venus and Mars have entered the morning sky, and Jupiter reaches solar conjunction this week. Even glorious ...
Astronomy
Aug 28, 2015
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Like all of the Solar Systems' gas giants, Uranus has an extensive system of moons. In fact, astronomers can now account for 27 moons in orbit around Uranus. Of these, none are greater in size, mass, or surface area than ...
Space Exploration
Jul 6, 2015
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The 19th century was an auspicious time for astronomers and planet hunters. In addition to the discovery of the Asteroid Belt that rests between Mars and Jupiter – as well as the many minor planets within – the outer ...
Space Exploration
Jun 8, 2015
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