On Sunday, January 6, 2019 at 1:31:00 PM UTC-8, Double-A wrote:
On Sunday, January 6, 2019 at 1:08:29 PM UTC-8, Herbert Glazier wrote:
Gas planets like Jupiter are what I'm thinking.Rock planets the size of Earth are rare everywhere in the universe. I have reason for this idea Bert
I think small planets like Earth were originally gas planets too. But being so close to the Sun, early solar flare-ups blew off most of the gas.
Double-A
Failed planets are almost certainly more common than stars... but Jupiter probably shouldn't be considered among them, see this page...
https://www.scientificamerican.com/a...d-people-call/
.... where you will learn why I said that and why brown dwarfs are more properly called 'failed stars'.
Isn't it fun to learn new stuff? Never stop learning...