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Comment: Re:No Alaska (Score 1) 297

by Jeremy Erwin (#39948553) Attached to: Warmest 12-Month Period Recorded In US

Population of Alaska--722,718
Population of United States-- 311,591,917

Twenty Three hundredths of a percent of the united states

Land Area of United States-- 9166601 sq km
Land Area of Alaska-- 1481347 sq km
Sixteen percent.

I don't know where you get forty percent. Perhaps you need to seek shelter before the cold impairs more than your arithmetic.

Comment: Re:Unbelievable Gravity (Score 1) 127

by Jeremy Erwin (#39874545) Attached to: Astronomers See Another Star Torn Apart By a Black Hole

If Sagitarius A* is a supermassive black hole, with a mass of, say, 4.1 million solar masses, its radius is probably no more than 6.25 light hours-- 45 AU. This star drifted within 5.2 light hours-- 37 AU.

"light hours" have the advantage of conveying just how large a light year is--63240 AU, or (if you must), 5.87 trillion miles.

Or, to put another way.

Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space.--Douglas Adams

Finality is death. Perfection is finality. Nothing is perfect. There are lumps in it.

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