ALL SCI-FI Forum Index ALL SCI-FI
The place to “find your people.”
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Differences Over Time

 
Post new topic   Reply to topic    ALL SCI-FI Forum Index -> SCIENCE now, add FICTION later
View previous topic :: View next topic  
Author Message
Eadie
Galactic Ambassador


Joined: 14 Dec 2013
Posts: 1670
PostPosted: Fri May 24, 2019 11:57 pm    Post subject: Differences Over Time Reply with quote
This is the main sequence Stars habitable zones as predicted in 1955:



This is the main sequence Stars habitable zones as predicted in 2019:



Now compare them to this from the Forbidden Planet thread, page 12:



The 2019 prediction comes closest, but not all 'A' stars are white.
_________________
____________
Art Should Comfort the Disturbed and Disturb the Comfortable.
Back to top
View user's profile Send private message
Gord Green
Galactic Ambassador


Joined: 06 Oct 2014
Posts: 3001
Location: Buffalo, NY
PostPosted: Sat May 25, 2019 12:34 am    Post subject: Reply with quote
The first two are virtually identicle.

Altair, being so much hotter than our Sun would have it's habitable zone around where Jupiter is in our system.
_________________
There comes a time, thief, when gold loses its lustre, and the gems cease to sparkle, and the throne room becomes a prison; and all that is left is a father's love for his child.
Back to top
View user's profile Send private message Send e-mail
Display posts from previous:   
Post new topic   Reply to topic    ALL SCI-FI Forum Index -> SCIENCE now, add FICTION later All times are GMT - 5 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group