The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
NASA's James Webb Space Telescope has been used to shed new light on the exoplanet, GJ 1214 b, which is more than eight times ...
For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...
New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...
These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative ... but the size of the [parent body] is disputed." ...
This runaway growth led to the formation of the gas and ice giants in the outer solar system. This first-order model of planetary growth in the solar nebula is mainly driven by temperature and ...
Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...