Asteroids and Comets

Front

Asteroids primarily made of

Back

Rock and metal

Front

Mission that returned comet dust to Earth

Back

Stardust

Front

Main difference between asteroids and comets

Back

Comets have tails, asteroids do not

Front

Process when dust particles collide and form larger rocks

Back

Accretion

Front

Potential use for asteroids in the future

Back

Refueling stations

Front

Amino acid discovered in comet dust by NASA's Stardust mission

Back

Glycine

Front

Remnants from the formation of our solar system

Back

Asteroids, comets, and meteors

Front

NASA program for visiting comets and asteroids

Back

Discovery program

Front

Description of comets

Back

Cosmic snowballs of gas and dust

Front

Process of dust particles forming larger rocks

Back

Accretion