Astronomy View all facts Glossary Help |
unparented > dust > Oort cloud |
Oort cloud comparison table |
Subject | has location | is an instance of | has definition |
---|---|---|---|
dust | The dust component of a galaxy, includes dark cloud | ||
Oort cloud | < 100000 AU from the Sun | dust | H I region extending to more than 100000 AU from the Sun, barely gravitationally bound, postulated as the birthplace of comets. |
Up: dust