Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X. For years, ...
Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...
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A hidden ninth planet may be tugging on distant objects past Neptune
For more than a decade, astronomers have chased a planet that no one has ever seen. The case for a hidden ninth planet rests ...
Diamond rain? Super-ionic water? These are just two proposals that planetary scientists have come up with for what lies beneath the thick, bluish, hydrogen-and-helium atmospheres of Uranus and Neptune ...
Sagnick Mukherjee will receive his Ph.D. in astronomy and astrophysics from UC Santa Cruz this spring. He is expected to begin his fellowship at Arizona State University in September 2025. (Photo by ...
When Voyager 2 flew by Uranus and Neptune 40 years ago, astronomers were surprised that it detected no global dipole magnetic fields, like Earth's. The explanation: the ice giants are layered and ...
Our solar system is our immediate cosmic neighborhood. We know it well: the sun at the center; then the rocky planets Mercury, Venus, Earth, and Mars; and then the asteroid belt; followed by the gas ...
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