NASA's Newest Planet Discovery Is Unlike Anything Seen Before
Researchers say GJ 523b is about 23 times Earth’s mass and may have lost most of its gas despite expectations for a thick atmosphere.
5 Articles
5 Articles
NASA's newest planet discovery is unlike anything seen before
When you think about the phrase “Mega-Earth,” your mind probably jumps straight to a sci-fi blockbuster movie poster or a comic book alternate dimension. But astronomers just proved that huge, rocky monster worlds are not just a Hollywood fantasy. They are real, and one very weird specimen is turning planet-formation science entirely upside down. Astronomers have officially cataloged a mind-bending new exoplanet named GJ 523b, and it is a celest…
Some 86.8 light-years from Earth, in the direction of the constellation of Hunting Dogs, there is a planet that does not fit too well with what scientists expected to find. GJ 523b (also known as TOI-7032b) was baptized and revolves around a type K orange dwarf star called GJ 523. Although its radius is only 2.55 times greater than the terrestrial one, it possesses no less than 23.5 times the mass of the Earth. As a result, it reaches an estimat…
The discovery is a fascinating enigma for modern astrophysics and forces experts to reconsider the mechanisms that determine the birth of such large celestial bodies.
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