Earth on the scale of things...
- Thread starter phykell
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Borris said:
How's it ironic? That little flash applet doesn't disprove my point that we don't know how big space is.
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Magic_x_uk said:
Yeah I agree too. I would be interested to see another planet in another galaxy that has similar properties as Earth and what their life looks like.
I often think that the way the human race is now is just an accident, the way everything has came together is just pure luck. What would it be like if humans weren't the dominant species, or never progressed like we did? We'd still be living in caves or die off.
It would be interesting to see how another planet similar to this one has managed it, and if we would look the same or similar.
Soldato
Just to clear it up, the temperature and luminosity of starts goes as follows, from hottest to 'coldest'.
Blue
White
Yellow
Orange
Red
The sun is a class G star - yellow on that scale.
Oh and by the way, Antares is not the biggest star out there. Infact it is quite small compared to others. The largest currently known star is believed to be VV Cephei, a glass M (red on the above list) star about 2000 light years away. It is about 2600 times the size of the sun (Antares is about 800 times bigger) but is relatively dull for its size at just 315,000 times the luminosity of the sun and is very light in comparison to other stars smaller than it - its just 20 times the mass of the sun (Antares is 12 times the mass).
The brightest and heaviest known star is LBV 1806-20. It is on the other side of the galaxy at about 45,000 - 50,000 light years away (1 ly is six trillion miles by the way). It is only 200 times the diameter of the sun. Yet it is about 150 times the mass and 40 million times as bight.
Scary stuff!
Blue
White
Yellow
Orange
Red
The sun is a class G star - yellow on that scale.
Oh and by the way, Antares is not the biggest star out there. Infact it is quite small compared to others. The largest currently known star is believed to be VV Cephei, a glass M (red on the above list) star about 2000 light years away. It is about 2600 times the size of the sun (Antares is about 800 times bigger) but is relatively dull for its size at just 315,000 times the luminosity of the sun and is very light in comparison to other stars smaller than it - its just 20 times the mass of the sun (Antares is 12 times the mass).
The brightest and heaviest known star is LBV 1806-20. It is on the other side of the galaxy at about 45,000 - 50,000 light years away (1 ly is six trillion miles by the way). It is only 200 times the diameter of the sun. Yet it is about 150 times the mass and 40 million times as bight.
Scary stuff!
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Soldato
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WOW is the understatement of year, who knows whats out there, our universe, awesomeness 
Soldato
DaveyD said:
I think the opposite. It gets me thinking how precious our little planet is. It's a shame our wonderful lives are ruined by things like work and bills.
Thinking about infinite space sends shivers down my spine....what the hell is out there? 
there has to be other life. its impossible for there not to be. I'd love to go space exploring. Shame we aren't really up to travelling at light speeds yet.
there has to be other life. its impossible for there not to be. I'd love to go space exploring. Shame we aren't really up to travelling at light speeds yet.
Associate
yeah, glad someone has posted something like this.
Just shows how insignificant the human race is, with all its stupid wars, religions and other crap. We mean NOTHING!!!
We are a mere spec in an almighty huge void of space.
Forget everthing we know about he world, there's a whole galaxy out there... and then some!!!
Just shows how insignificant the human race is, with all its stupid wars, religions and other crap. We mean NOTHING!!!
We are a mere spec in an almighty huge void of space.
Forget everthing we know about he world, there's a whole galaxy out there... and then some!!!
Associate
Who knows?-Tauren- said:
Its like saying.....
What was there before the Big Bang?
And if there is a God, how did he come into existance?
What was before God?
Soldato
Of course there are ways. Someone posted about a galaxy found several billion light years away. Cube that and you have a rough volume of space that we know about.iCraig said:
Soldato
More space? If it's infinite then there isn't anything beyond it. The real question is, is it really infinite?-Tauren- said:
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I'm willing to bet that you can't, you know.Borris said:
Ok - you got me there - there was very little irony at all (there would have been had there been anything of value in the flash - I neglected to even watch it).iCraig said:
For your general pleasure and edification, Wikipedia has a little bit on the subject, which totally disproves your claim that we can't estimate the size of space (observability notwithstanding), and goes some way to disproving your claim that it is not measurable (observability withstanding).