Astronomy C

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Astronomy C

Post by Adi1008 » August 17th, 2020, 9:50 pm

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Re: Astronomy C

Post by AstroClarinet » September 8th, 2020, 7:32 am

Differences from last year:
-A new DSO, DLA0817g, has been added
-2 surveys, the Chandra Isotropic Universe Survey and the Hubble CANDELS Survey, have been added in addition to the DSOs
-The 3 Quasars have been removed

It seemed weird that they were adding surveys to the DSO list at first, but they are pretty similar because the DSOs were already focusing on studies. Now the test writers can focus more on the actually findings of the studies rather than relatively unimportant features of the DSOs.
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Re: Astronomy C

Post by OrigamiPlanet » September 16th, 2020, 3:24 pm

Are there any images on the surveys or any of the PSS objects?
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Re: Astronomy C

Post by pb5754 » September 16th, 2020, 3:37 pm

OrigamiPlanet wrote:
September 16th, 2020, 3:24 pm
Are there any images on the surveys or any of the PSS objects?
The PSS objects don't have a lot of images, but there are a few on Chandra, etc. Haven't down much research at all on the surveys yet (wasting my time procrastinating on college apps :upside_down:), but I believe the same applies for those as well.
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Re: Astronomy C

Post by RiverWalker88 » September 29th, 2020, 12:49 pm

To bring attention to it, the Astronomy Formula Sheet on the wiki has been updated. If you catch any errors, feel free to correct them yourself or let me know and I'll correct the original file.
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Re: Astronomy C

Post by Fyren » October 19th, 2020, 2:55 pm

Anyone have recommendations on resources for learning the material in the rules and good sources for notes? This is my first year competing in Astronomy and I don't really have any background information on the event material, so I really just need good sources to help me get started with learning and preparing. Tips are also very appreciated.
(Also, I think I should say that I will be posting on here quite a bit with questions...)
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Re: Astronomy C

Post by AstroClarinet » October 19th, 2020, 4:58 pm

Fyren wrote:
October 19th, 2020, 2:55 pm
Anyone have recommendations on resources for learning the material in the rules and good sources for notes? This is my first year competing in Astronomy and I don't really have any background information on the event material, so I really just need good sources to help me get started with learning and preparing. Tips are also very appreciated.
(Also, I think I should say that I will be posting on here quite a bit with questions...)
On previous year's threads, a good number of sources have already been listed. Here's a summary (there are pretty much the same as what I use):
Basic info
-astronomynotes.com - a good first resource for basic understanding
-HyperPhysics - more math-oriented
-Various textbooks - "An Introduction to Modern Astrophysics 2e" by Carroll & Ostlie has been suggested multiple times
-Online astronomy college course lectures - have to look around online for these

DSOs
-Chandra website photo album & press releases - gives a description of most DSOs & has a good number of images for each. Also has observation IDs if you want to use the observation images as practice for JS9, and links to the scientific papers.
-Wikipedia - has basic info on the DSOs Chandra doesn't cover.
-Scientific papers - on arXiv, IOPscience etc; these provide more in-depth images/numbers/info. You can probably skip these on your first pass through researching DSOs and come back to them later.
-SIMBAD & NED (NASA/IPAC Extragalactic Database) - have data & alternate names for most DSOs. You might have to change the name of the DSO a little bit when you're searching for it so that it shows up.
-APOD - for images
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