Yes. You have to know the life cycle of low, mid and high mass stars and you have to know where in that cycle each star on the list is.XJcwolfyX wrote:Sorry Cheesy Pie I do not have the answers to your questions at the moment, being Science Olympiad has not started for us yet.Cheesy Pie wrote:Castor is Alpha Geminorum. Pollux is Beta Geminorum. They are far apart in the sky, so they are NOT in a system together.
Anyway, QUIZ TIME! (yaaaaaaay...)
1. What are the four types of binary stars?
2. What is the nearest binary system?
3. What are the two nearest triple star systems?
I have a question though:
What do the rules mean when they say: "must be knowledgeable about the evolutionary stages of the stars and deep sky objects on the list below"?
Does this mean that you have to know the whole life of that star, or does it mean that you just have to know the stage that is is currently in?
Reach for the Stars B
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rfscoach
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Re: Reach for the Stars B
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XJcwolfyX
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Re: Reach for the Stars B
But do you have to know the past/future stages of a specific star or do you only need to know what stage it is currently.
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rfscoach
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Re: Reach for the Stars B
Once you understand stellar evolution, given the spectral type of any star, you should automatically know the past/ future stages of that star and the approximate timeline on which those changes will occur.XJcwolfyX wrote:But do you have to know the past/future stages of a specific star or do you only need to know what stage it is currently.
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spacescholar
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Re: Reach for the Stars B
I think you could find them in the back of a stars book.Fossil Freak 25 wrote:Does anyone know a link to a good glossary for stars?
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XJcwolfyX
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Re: Reach for the Stars B
Does anyone know a good website that has pictures of all of the constellations? (Preferably ones without the stars connected) Thank you!
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foreverphysics
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Re: Reach for the Stars B
Download Google Earth. Then go to the sky settings. Everything you need is on there...well, all the identification stuff, anyways.XJcwolfyX wrote:Does anyone know a good website that has pictures of all of the constellations? (Preferably ones without the stars connected) Thank you!
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AlphaTauri
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Re: Reach for the Stars B
Alternatively, you could download Stellarium, which is a free program that's basically a mini-planetarium. It takes a bit of time to learn how to use it, but it's really cool.foreverphysics wrote:Download Google Earth. Then go to the sky settings. Everything you need is on there...well, all the identification stuff, anyways.XJcwolfyX wrote:Does anyone know a good website that has pictures of all of the constellations? (Preferably ones without the stars connected) Thank you!
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Cheesy Pie
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Re: Reach for the Stars B
Google Sky fails - you can't zoom in on Polaris (it isn't even correctly placed in the constellation), and they make many mistakes with star colorings (many type A and B stars are kind of ORANGE, and K and M types are sometimes BLUE).
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Re: Reach for the Stars B
I agree, but it is a good program to get a feel for the constellations. I use it when i want to find where something is.Cheesy Pie wrote:Google Sky fails - you can't zoom in on Polaris (it isn't even correctly placed in the constellation), and they make many mistakes with star colorings (many type A and B stars are kind of ORANGE, and K and M types are sometimes BLUE).
By the way, i'm having a hard time with the H-R diagram... why does it have scales on all four sides?
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