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Astronomy & Space - February 2007

[Selected]: All categories Science & Mathematics Astronomy & Space

I need to know if an exoplanet (mag 20 ) and its moon (mag 28) can be resolved by a 2m mirror. I can work out the resolving power of this mirror for targets of similar magnitude, but how do I work out its
resolution for targets of such widely differing brightness ?

2007-02-26 03:11:16 · 4 answers · asked by Chef Dane 2

Or are they the same thing ??

2007-02-26 02:58:24 · 3 answers · asked by Chef Dane 2

2007-02-26 02:31:35 · 1 answers · asked by Brianna 1

I would have to say mine are "Contact" followed by "Alien" 1, 2 & 3. #4 was just wierd. And then the (newest) StarWars trilogy, except for Jar-Jar.

What are yours?

Thanx!

2007-02-26 02:22:24 · 17 answers · asked by stargazergurl22 4

2007-02-26 02:22:05 · 4 answers · asked by Morgan C 1

2007-02-26 02:21:06 · 6 answers · asked by Anonymous

2007-02-26 02:20:31 · 3 answers · asked by Brianna 1

The evidence seems to indicate Europa has a 100 mile deep, planet-spanning salt water ocean under (an unknown thickness) her ice crust.

Seems like if we are serious about looking for LIFE out there, we should make Europa the priority, yet it seems Mars is.

Think there's an ocean? If so, what will we find?

2007-02-26 02:11:37 · 5 answers · asked by stargazergurl22 4

My physics teacher was talking about it in class and he mentioned that it was a great advance in Ancient Greek astronomical study. Anyone know what this is?

2007-02-26 01:35:02 · 4 answers · asked by Mikey C 5

most of the scientist have accept the big bang theory, but did they identify yet where it was happen? in or near about our galaxy? is it possible to identify?

2007-02-26 01:28:47 · 18 answers · asked by Difi 4

2007-02-26 01:00:38 · 37 answers · asked by TEREASA L 1

as the bible predicted or as proposed theoretically by some scientists?

2007-02-26 00:24:41 · 19 answers · asked by jeff 3

Why are there planets?

I don't want the story of the planets.
THX.

2007-02-25 23:56:50 · 27 answers · asked by Anonymous

2007-02-25 23:40:30 · 7 answers · asked by iftikhar k 1

It really scares me. Nothing lasts forever and to think us humans will eventually die out and a new species will take over gives me shivers. I know its likely to be 5,000 years from now until the sun burns out but how long until the earth stops? Whenever it happens, im proud to be the human race even if we are destined to destroy ourselves.

2007-02-25 23:36:15 · 22 answers · asked by wonder 2

2007-02-25 23:35:13 · 9 answers · asked by Anonymous

2007-02-25 23:32:24 · 6 answers · asked by Anonymous

Moon is non selflumenous, how is it refected and how produced the cool and beauty of light is produced. how it is possible ?

2007-02-25 23:12:17 · 8 answers · asked by Sp m 1

Can u tell me the names of the scientists who were involved in the project?

2007-02-25 22:46:17 · 8 answers · asked by Anonymous

2007-02-25 22:43:44 · 30 answers · asked by Anonymous

2007-02-25 22:24:27 · 8 answers · asked by tunachunks199 1

2007-02-25 22:22:09 · 14 answers · asked by Anonymous

:-) i know sounds like a daft question

2007-02-25 21:44:34 · 12 answers · asked by tunachunks199 1

2007-02-25 21:33:22 · 10 answers · asked by Anonymous

If they do have such plans when will they go ahead with them?

2007-02-25 20:47:54 · 5 answers · asked by dogstar 2

can someone tell me why there is controversy about the classification of pluto

2007-02-25 20:31:22 · 8 answers · asked by apman01 1

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