Exoplanets Flashcards
1
Q
How do planets form
A
From dust and gas in disks around protostars
2
Q
Almost all young protostars have ___
A
Disks
3
Q
As protostars age, their inner regions____ dust
A
Lose
4
Q
Planets form in
A
3 to 30 million years
5
Q
The most common types of planets are
A
Not in our solar system
6
Q
What size planets are the most common for planets around sun like stars
A
Earth sized
7
Q
What observation seems to imply that planets have been formed
A
Ring shaped gas where there is no dust
8
Q
What is debris disk
A
The stuff surrounding a newborn star after all the gas has dissipated
9
Q
Radial velocity measures what
A
Mass
10
Q
Transit measures what
A
Radius
