Related topics: solar system · planets · orbit · jupiter · saturn

New rare 'hot sub-Neptune' exoplanet discovered

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new alien world. The newfound exoplanet, designated TOI-2196 b, turns out to be a type of a rare "hot sub-Neptune." ...

China is considering a nuclear-powered mission to Neptune

One look at the Planetary Decadal Survey for 2023–2032, and you will see some bold and cutting-edge mission proposals for the coming decade. Examples include a Uranus orbiter and probe (UOP) that would study Uranus' interior, ...

Scientists explain why Uranus and Neptune are different colors

Observations from Hubble Space Telescope, the NASA Infrared Telescope and the Gemini Observatory, reveal that excess haze on Uranus makes it paler than Neptune and that dark spots are caused by a darkening of a second deeper ...

Astronomers capture surprising changes in Neptune's temperatures

An international team of astronomers have used ground-based telescopes, including the European Southern Observatory's Very Large Telescope (ESO's VLT), to track Neptune's atmospheric temperatures over a 17-year period. They ...

Puffy planets lose atmospheres, become super-Earths

Astronomers have identified two different cases of "mini-Neptune" planets that are losing their puffy atmospheres and likely transforming into super-Earths. Radiation from the planets' stars is stripping away their atmospheres, ...

Hubble takes a grand tour of the solar system

The NASA/ESA Hubble Space Telescope has completed its annual grand tour of the outer Solar System. This is the realm of the giant planets—Jupiter, Saturn, Uranus, and Neptune—extending as far as 30 times the distance ...

page 2 from 12