Speedy Fast

Look: Fast-moving asteroid could help unlock Solar System secrets

NASA via Giphy

Our Solar System is home to over one million asteroids.

Some have predictable orbits, moving elliptically around a planet. Others behave more erratically.

Illustration by Katherine Cain courtesy of the Carnegie Institution for Science.

Take 2021 PH27, for example.

The newly-discovered asteroid is currently zipping along an uneven path, completing one trip around the sun in just 113 days.