I'm just going to warn you, this is a controversial topic. Some people get pretty grumpy when you ask: how many planets are in the Solar System? Is it eight, ten, or more?
Space Exploration
May 28, 2013
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The violent death throes of a nearby star so thoroughly disrupted its planetary system that the dead star left behind—known as a white dwarf—is sucking in debris from both the system's inner and outer reaches, UCLA astronomers ...
Astronomy
Jun 16, 2022
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2950
The solar system could be thrown into disaster when the sun dies if the mysterious 'Planet Nine' exists, according to research from the University of Warwick.
Astronomy
Aug 30, 2016
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NASA's Dawn spacecraft is about to start its investigation of the largest member of the asteroid belt, 1 Ceres. It will take detailed images of the dwarf planet, and produce a geological map of its entire surface. But even ...
Space Exploration
Mar 18, 2015
12
407
The dwarf planet Ceres—long believed to be a barren space rock—is an ocean world with reservoirs of sea water beneath its surface, the results of a major exploration mission showed Monday.
Astronomy
Aug 10, 2020
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Astronomers have discovered a planet in orbit around one of the closest stars to the Sun, Barnard's star.
Astronomy
Nov 14, 2018
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Using new observations from the James Webb Space Telescope (JWST), astronomers have discovered methane emission on a brown dwarf, an unexpected finding for such a cold and isolated world. Published in the journal Nature, ...
Planetary Sciences
Apr 17, 2024
0
381
Orbiting a red dwarf star 41 light-years away is an Earth-sized, rocky exoplanet called GJ 1132 b. In some ways, GJ 1132 b has intriguing parallels to Earth, but in other ways it is very different. One of the differences ...
Astronomy
Mar 11, 2021
0
4564
(Phys.org) —An international team of astronomers has discovered an exotic young planet that is not orbiting a star. This free-floating planet, dubbed PSO J318.5-22, is just 80 light-years away from Earth and has a mass ...
Astronomy
Oct 9, 2013
73
0
Jupiter is the largest planet in the solar system. In terms of mass, Jupiter dwarfs the other planets. If you were to gather all the other planets together into a single mass, Jupiter would still be 2.5 times more massive. ...
Astronomy
Nov 19, 2019
0
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