Comments for Chaotic Astronomy

Comment on Astronomy vs Astrology by Hal Hildinger

Hal Hildinger — Tue, 26 Apr 2011 11:27:54 +0000

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Comment on Is it possible to attend Astronomy Graduate School with a Major in Mathematics and Minor in Statistics? by Brittney

Brittney — Sun, 18 Jul 2010 13:26:59 +0000

Oh hell yeah you can. Especially if you want to get an astronomy and engineering degree, they WANT people like you with strong backgrounds in math. Go for it!
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Comment on Why do they sell telescopes in camera and photo shops? by JB

JB — Sun, 18 Jul 2010 13:12:59 +0000

Because they have lenses.
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Comment on Is it possible to attend Astronomy Graduate School with a Major in Mathematics and Minor in Statistics? by hoozierdaddy

hoozierdaddy — Sun, 18 Jul 2010 12:58:59 +0000

getting a masters in anything is "possible,"
whether or not you get accepted into a master’s program is something else alltogether –
but your thought process should be more in line with
"what are you going to do or get a job doing after you graduate?"
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Comment on Why do they sell telescopes in camera and photo shops? by Imaka

Imaka — Sun, 18 Jul 2010 12:44:59 +0000

Similar types of technology ... lenses you look through!
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Comment on Is it possible to attend Astronomy Graduate School with a Major in Mathematics and Minor in Statistics? by eri

eri — Sun, 18 Jul 2010 12:28:59 +0000

No, you can’t enter an astronomy grad program right now. They expect the equivalent of a physics major, and almost all of them require the physics GRE, covering material you would have learned in intro physics I and II, modern physics, classical mechanics, electricity & magnetism, thermo & statistical mechanics, math physics I and II, optics, and quantum mechanics. Surprisingly, astronomy isn’t required, mostly just physics (and you’ll need some computer science as well) but astronomy helps a lot. Now, you could apply to an astronomy grad school, but you will need to take a lot of these physics classes first or find a low-ranked program willing to let you catch up before starting the masters work (you’ll need to do the masters work before starting the PhD even if you enter a PhD program with a bachelors).
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PhD candidate in physics (astrophysics)

Comment on Why do they sell telescopes in camera and photo shops? by ecolink

ecolink — Sun, 18 Jul 2010 12:20:59 +0000

Telescopes and binoculars have specialized lenses like cameras have.
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Comment on If we live lightyears away from Earth, can we see the solar system with telescopes? by arslan

arslan — Thu, 08 Jul 2010 06:24:59 +0000

We will be able to see the solar system, and we can see through the Oort cloud. We do it all the time, from Earth. How do you think astronomers take pictures of stars light years away?
The Oort cloud is not as dense as you may think.

Out side of the solar system, we might now be able to see the inner planets, as they are too small and too close to the bright glare of the sun, but we will see the sun, and the outer planets (Jupiter, Saturn, Uranus, Neptune)
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Comment on If we live lightyears away from Earth, can we see the solar system with telescopes? by Philip J

Philip J — Thu, 08 Jul 2010 05:45:59 +0000

The oort cloud is no obstacle to viewing the space beyond it. If it were we would not know of the existence of other stars. The problem is resolution of optics. Our best telescopes can barely resolve a few large, nearby stars to more than one pixel. As far as I know, we have only imaged one extra-solar planet, and that one is nearly as big as its star.

Our nearest neighbor star, Alpha Centauri, is 4.2 ly away. That’s 1.29 parsec, which means Earth’s orbit at that distance would appear 2.58" or arc across. That’s about 25 pixels for Hubble; the next generation of multiple mirror ground based telescopes with adaptive optics might resolve ten times better than that. Even so, Earth would not be visible.
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Comment on If we live lightyears away from Earth, can we see the solar system with telescopes? by blake

blake — Thu, 08 Jul 2010 05:40:59 +0000

It all depends on how many lightyears. lets say we are 7 light years away from earth, if we looked at earth through a telescope, then we would see what the earth looked like 7 years ago.
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