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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 11:24 am 
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Hi TP,

That was an excellent answer :D I did get the gist of it..

My request was directed to OWN as I meant the questions to be dumbed down.. :redface:

Who but the most advanced could come up with an answer like that??

BTW this is not a complaint, just telling you how dumb I feel :tongue:

JJ

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 2:33 pm 
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Thanks TP, great information there. :dance:
Yes, Jungle Junkie, time to "dumb" it down ... not sure if I like that term because it suggests that people may be ... well, dumb. And nobody is ever dumb, in my opinion - just at various levels of knowledge and understanding of a subject.

Later on, I WILL summarise what I was looking for: all the answers are there, but I will ferret them out and put them in a nice, easy summary (no figures, no complications), I promise!). It is just such an interesting subject - when you look at the heavens, you wonder what is moving and what isn't. Anyway, time to stop moving away from the topic, and get stationary in my answer!
Watch this space ... I'll post late afternoon ...

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 5:00 pm 
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:thumbs_up:

Thanks to all that participated :clap: :clap: :clap: Jungle Junkie, Siobain, Odyssey, Pantera Leo, and Joshilewis from the beginners' club; and the invited Bishop3006 and Timepilot, who added some extensive knowledge (maybe too much for the newbies at the moment??).

I see the Newbies came up with some fascinating angles on things, and I appreciate your input, guys, AS MUCH AS someone who has a more comprehensive understanding of things. The reason is that I can learn where your thought processes are coming from and where they are heading to, and so that allows me to know whether to step things up, or dampen things down; and where to concentrate on the next phase of learning.
So, I think we will dampen things down a bit and ask the Advanced class to take a back seat as you (the Beginners/Newbies) and I continue this journey alone (for now). :thumbs_up: :thumbs_up:

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 5:13 pm 
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Do qualified (level 1) guides qualify as newbies? :P

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 5:37 pm 
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joshilewis wrote:
Do qualified (level 1) guides qualify as newbies? :P


Joshilewis, my advice is play in both quizzes and see where you are most comfortable! From what I've already seen, you know a fair amount. So, play it by ear and, whatever you choose, I'm happy to have you here!

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 5:46 pm 
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Okay, to summarise all the information and thoughts we received from all you mites:

The Question was:
Do the stars move, or are they stationary?

The simple answer is: YES, NO, YES !!! :huh: :

YES, the stars (and all other heavenly bodies) appear to move to us on earth because the earth rotates! Therefore, it looks as if the sky is rising up in the east, and then rotating across to the west.

NO, because, if we look at the night skies at any given day of the year, it will appear to be exactly the same as last year's sky, and next year's sky! This is true for a person looking from the same part of earth year to year. So, for example, if I look at the night sky on January 28th 2010 from Johannesburg, and then I look at it again on January 28th 2011, and 2015, and 2050 from Johannesburg (hope I'm still alive then, and still on this forum! :roll: ), the stars will look EXACTLY THE SAME to me. (Of course the planets move, but we're not talking about planets here: only stars.) The reason for this is, because the stars are so far away from us, they seem to remain still in the sky, year after year.

YES, because, in reality (as many of you said) the stars are travelling through space. The universe is never still! All stars, and all heavenly bodies for that matter, are actually physically moving. The sun goes around the galaxy, and the galaxy moves towards others, and galaxies move around each other; and so on. The reason we don't notice these changes in our lifetimes (or many centuries, for that matter) is, as I said above, the stars are so far away from us that the amount of movement is hardly noticeable.

So, for the purposes of this quiz, please remember that, practically:
- THE STARS APPEAR TO MOVE ACROSS THE HEAVENS FROM EAST TO WEST AS THE EARTH TURNS DURING THE NIGHT;
- THE STARS REMAIN FIXED IN THEIR POSITIONS YEAR AFTER YEAR (ON THE SAME DAY AND AT THE SAME LOCATION)
- And then keep in the back of your minds (just for interest's sake) that the whole universe is moving in reality, but such movements are too far away for us to notice it.

Great, hope that clears things up a bit! If any beginners don't understand what I just explained, please let me know!

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 5:59 pm 
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Okay, now let's get practical again ... :dance: :dance: :dance:

Hope you all took the trouble to look at Jupiter setting in the evening sky after sunset? If not, :naughty: :naughty: But, there is still time to see it low in the west after it gets dark in the evening.

Okay, we've identified on planet so far - Jupiter: go out and impress people with this knowledge! Concentrate on your loved ones, especially, as you can never get too many compliments, or be applauded and lauded excessively! :twisted:

Let's find our second planet now. It is really an easy planet to find:

BACKGROUND. After Jupiter has set in the west (gone down below the hoizon so that you cannot see it any more during the night), look towards the east. Rising brightly over the eastern horizon is a very clear, red "star". It doesn't twinkle and, through binoculars, is disc-shaped (a very small disc, though) - so we know that it is a planet. You will be able to see this planet the whole night long - it will rise higher and higher until it is almost overhead by around midnight.
Tonight it will be quite close to the moon, and tomorrow night very close.


QUESTION. What planet am I talking about?

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 8:52 pm 
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The Red Planet is Iron Oxide rich Mars!

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 9:24 pm 
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I also think its mars!, just as i was about to take a photo of it the clouds came up :( i did get a nice photo of the moon :D

Image

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Thu Jan 28, 2010 10:16 pm 
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At last!!! :dance: Clear sky over Bloem. Saw Mars rising (I think) Jupiter on the western horizon and a whole
lot of unknown (by me of course) stars in between. Odds! Awesome photo!! :clap: :clap: I also took one of the moon
this evening and I wouldn't dare put it up for comparison. :lol: :mrgreen:

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Fri Jan 29, 2010 12:41 am 
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Siobain, really glad you took the time to look for Jupiter, the red planet, and all the stars in-between :wink: ... and you found them too! Great stuff - well done!

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Fri Jan 29, 2010 9:17 am 
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It's a good lens, too, Odyssey -can see the detail really well, and no aberrations to speak of.

Anyone else want to tell me about the red planet?

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Fri Jan 29, 2010 6:07 pm 
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Heavily overcast - doesn't look like we'll be able to view anyting sky-wise tonight. But, love the rain anyway. :thumbs_up:

Anyone else want to fill me in a little about the "red planet" before I reveal all (about the "red planet", of course :naughty: :lol: )?

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Fri Jan 29, 2010 10:39 pm 
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Even though the Moon is so bright tonight I could still see Mars very well. :dance:

Not my photo of course, but I thought I'd share it anyway. An image taken of MARS
by the Wide-Field Planetary Camera on the Hubble Telescope.


Image

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Last edited by Siobain on Fri Jan 29, 2010 11:48 pm, edited 1 time in total.

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 Post subject: Re: BEGINNERS' STARGAZING QUIZ (QM)
Unread postPosted: Sat Jan 30, 2010 2:26 am 
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Okay, a reminder of the question:

BACKGROUND. After Jupiter has set in the west (gone down below the hoizon so that you cannot see it any more during the night), look towards the east. Rising brightly over the eastern horizon is a very clear, red "star". It doesn't twinkle and, through binoculars, is disc-shaped (a very small disc, though) - so we know that it is a planet. You will be able to see this planet the whole night long - it will rise higher and higher until it is almost overhead by around midnight.
Tonight it will be quite close to the moon, and tomorrow night very close.


QUESTION. What planet am I talking about?


Well done everyone! Great pics and on-the-ball regarding identification of the planet in question. :clap: :clap:

The planet in question is indeed Mars. Known often as the "Red Planet", it is the only planet in our solar system (which is all the heavenly bodies that circle our Sun) that is so red. This is based on the colour of the soil. If you are interested, look at the pictures that the rovers that landed there a few years ago have taken. It is amazing how barren these planets are compared to earth.
Here is a link: [url=null]http://space.about.com/od/spacemissions/ig/Spirit-Pictures/[/url]

Mars will be in the night skies most of the night - keep an eye out for it: it is a wonderful opportunity to see this planet at the moment!

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TR: NECTAREAN NICETIES OF THE NORTH
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