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Science

(14,860 posts)

7. We substitute time for distance all the time depending on the context.

Thu Jun 14, 2012, 02:21 AM

Jun 2012

"15 minutes" is a perfectly valid answer to the question "How far away is the planetarium?"

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'Oldest galaxy' discovered using Hawaii telescope [View all] Judi Lynn Jun 2012 OP

I'm going to have to see the long-form. n/t Bolo Boffin Jun 2012 #1

That's "12.91bn light years AWAY", not AGO. Silent3 Jun 2012 #2

A light year is also a measure of time. sakabatou Jun 2012 #4

Light years relate fairly directly to time... Silent3 Jun 2012 #5

Yes, it's still a mesure of length. sakabatou Jun 2012 #6

We substitute time for distance all the time depending on the context. laconicsax Jun 2012 #7

Yes, but you still know someone screwed up when they say... Silent3 Jun 2012 #8

Ah, but even then, the rationalizations have been made: laconicsax Jun 2012 #9

Wow... galaxies formed pretty early after the Big Bang sakabatou Jun 2012 #3