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