Time machine? Astronomy & Near Earth Phenomena

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Astronomy & Near Earth Phenomena

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Time machine?
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Offline Art
United States Posts: 906
Rank: Baron

Time machine?

Posted March 14, 2013, 09:14:56 AM Logged

Offline Snowcrash
England Global Moderator
Posts: 2246
Rank: Certified

Re: Time machine?


Nice article and cool telescope array but found it a little misleading in its terminology.

This is a 1mm array due to most frequencies above and below this are absorbed by the atmosphere. Pic. If you look at the pic you'll see a band gap a 0.1cm (1mm).
There's a lot of cool stuff going on in the IR bands but these are difficult from Earth due to the atmosphere.
Quote
ALMA will be exponentially more powerful than any of its predecessors and about 10 times more powerful than NASA's Hubble telescope.
Hubble is a visible spectrum & IR telescope and doesn't look in the 1mm band. This is like comparing apples to oranges.

The article not withstanding, there should be some good data from these 'scopes.

Posted March 14, 2013, 18:15:46 PM Logged
“I cannot remember the books I've read any more than the meals I have eaten; even so, they have made me.”

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Astronomy & Near Earth Phenomena
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