While a planet is forming, its passage through the protoplanetary disk can prevent pebbles from migrating inwards and accreting onto the planet.
Comet D/Lexell has been lost to memory since its discovery in 1770. Can modern astronomical methods track it down?
By studying the precise movements of NASA’s MESSENGER spacecraft around Mercury we can constrain some of the fundamental parameters of general relativity.
If there’s one thing that 21st-century telescopes have shown us about Pluto, it’s that there’s still a lot we don’t know about our very far-off neighbor. Today we look into just one of Pluto’s many mysteries: the formation of its complex five-moon system.
Apparently, rocky asteroids like our interstellar visitor ‘Oumuamua are likely to be formed in binary stars.
In our latest installment of “how on Earth do we get to Proxima b?”, we consider the effects of magnetic fields on the trajectory of Breakthrough Starshot’s proposed sailcraft.