Astronomy C

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asdfqwerzzz2
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Re: Astronomy C

Postby asdfqwerzzz2 » November 29th, 2015, 4:51 pm

Untitled.png
1. What DSO does the above image represent?
2. What is the object's spectral class
3. What causes the light curve shown above
1. 2MASSJ22282889-431026
2. variable T6.5 brown dwarf
3. complex clouds or weather patterns that change with altitude and different layers/patches of gas in storms the size of Earth
Exactly! Your turn.

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Adi1008
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Re: Astronomy C

Postby Adi1008 » December 2nd, 2015, 5:26 pm

Untitled.png
1. What DSO does the above image represent?
2. What is the object's spectral class
3. What causes the light curve shown above
1. 2MASSJ22282889-431026
2. variable T6.5 brown dwarf
3. complex clouds or weather patterns that change with altitude and different layers/patches of gas in storms the size of Earth
Exactly! Your turn.
Who predicted 21 cm HI radiation (and in what year)?
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Magikarpmaster629
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Re: Astronomy C

Postby Magikarpmaster629 » December 13th, 2015, 8:15 am

1944, by H. C. van de Hulst
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Re: Astronomy C

Postby Adi1008 » December 13th, 2015, 9:00 am

1944, by H. C. van de Hulst
Correct, your turn
University of Texas at Austin '22
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Beckendorff Junior High '14

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Magikarpmaster629
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Re: Astronomy C

Postby Magikarpmaster629 » December 28th, 2015, 1:00 pm

[img]http://www.daviddarling.info/images/T_Tauri_2MASS.jpg[/img]
1. What is the name of the center object?
2. When was it discovered, and by who?
3. There is another object in this system that is not visible because it does not emit in visible wavelengths. What is it called, and what (broad category) does it emit in?
4. What star cluster is this object seen in from Earth?
5. What is the name of the object to the right of it, and what kind of object is it?
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doge
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Re: Astronomy C

Postby doge » December 28th, 2015, 10:12 pm

1. T Tauri
2. 1852, John Russel Hind
3. T Tauri South (?), infrared
4. Hyades
5. Hind's rebula, herbig haro object

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Magikarpmaster629
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Re: Astronomy C

Postby Magikarpmaster629 » December 29th, 2015, 3:15 pm

1. T Tauri
2. 1852, John Russel Hind
3. T Tauri South (?), infrared
4. Hyades
5. Hind's rebula, herbig haro object
I assume you meant Hind's nebula, or Hind's reflection nebula, which is right. Also, it is called T Tauri South (or T Tau S). Your turn.
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Re: Astronomy C

Postby Magikarpmaster629 » February 4th, 2016, 3:00 pm

I can feel the Astronomy hype...

I'll ask another question then:
[img]http://imgur.com/bLXlX90.jpg[/img]
1.What is the object covered by the blue box? It is around 2.2 parsecs from the sun.
2. Name 3 unique/interesting things about this object?
3. Give an estimate for its surface temperature.
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Re: Astronomy C

Postby arvind_r » February 4th, 2016, 5:39 pm

1. WISE 0855-0714
2. Coldest brown dwarf known, least massive brown dwarf known, 4th closest star to the Sun
3. 225-260 K
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2015-16:
Nationals: Game On: 7th place
2016-17:
UGA/MIT/State/Nationals
Astro: 2/14/1/
Chem Lab: 1/-/-/
Game On: 6/-/3/
Hovercraft: -/3/-/
Dynamic Planet: 2/2/2/
Rocks & Minerals: -/14/3/

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Magikarpmaster629
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Re: Astronomy C

Postby Magikarpmaster629 » February 4th, 2016, 6:37 pm

1. WISE 0855-0714
2. Coldest brown dwarf known, least massive brown dwarf known, 4th closest star to the Sun
3. 225-260 K
That's all right, your turn
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