An analysis of planets
outside the solar system suggests that most hot, rocky exoplanets started out more like gassy Neptunes.
Not exact matches
An icy comet just hurtled past the sun on a strange path that
suggests it came from
outside our
solar system, making it the first such interloper we've ever spotted
A new study from the University of Toronto Scarborough
suggests the search for life on planets
outside our
solar system may be more difficult than previously thought.
The unusual trajectory of an asteroid, called A / 2017 U1,
suggests it came from
outside the
solar system and is now on its way out again.
None of the approximately 750,000 known asteroids and comets in the
Solar System is thought to have originated
outside it, despite models of the formation of planetary
systems suggesting that orbital migration of giant planets ejects a large fraction of the original planetesimals into interstellar space1.