How closely packed are Jupiter’s Trojan asteroids?

How closely packed are Jupiter’s Trojan asteroids?

Back to Article List The volume density of asteroids in the main belt about 10 times higher than that of Jupiter’s Trojan asteroids. Jupiter’s Trojan asteroids congregate at the L4 and L5 Lagrange points of the Jupiter-Sun system, meaning they orbit in groups that...
Starlink on Mars? NASA Is Paying SpaceX to Look Into the Idea

Starlink on Mars? NASA Is Paying SpaceX to Look Into the Idea

NASA has given the go-ahead for SpaceX to work out a plan to adapt its Starlink broadband internet satellites for use in a Martian communication network. The idea is one of a dozen proposals that have won NASA funding for concept studies that could end up supporting...
Meet the team behind EarthCARE

Meet the team behind EarthCARE

As we approach the launch of ESA’s EarthCARE mission, we caught up with some of the scientists, engineers and experts behind the mission.With the climate crisis increasingly tightening its grip, ESA’s Earth Cloud Aerosol and Radiation Explorer mission (EarthCARE) will...
How to see meteors from 3,000 years ago this week

How to see meteors from 3,000 years ago this week

Back to Article List Earth is due to pass through a trail of debris left behind by Halley’s Comet in 985 B.C.E., which may cause a slight bump in the number of meteors ahead of the Eta Aquariids’ peak next week. Halley’s Comet was last seen in our skies in 1986....