Hydra
As there are no rules- we can ask what we like! Keeping it astronomy based would be good though...
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Hydra
As there are no rules- we can ask what we like! Keeping it astronomy based would be good though...
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BINGO! S'pose that was kinda easy though....Originally Posted by mickal555
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hmmm
What are the seven spectral classes for stars
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OBAFGKM
Oh, Be A Fine Girl; Kiss Me. 'll never forget that one. :P
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Correct
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What is the sun's spectral type?Correct
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G2 (two girls)
What is the colour of the sun
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Hey that's a nifty idea. :P You were right, but I'd never heard of the "two girls" thing.G2 (two girls)
What is the colour of the sun
Yellow
with regardsWhat is the surface temperature of the sun?
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yellow? I thought it was white? or green? or ARGHHH
Hmmm
surface?
It's about 4'000 5'000 degrees C I think :-k... I've got a mind block #-o
I'm bad with theese # ones.... #-o
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5,800 C (or is it K? H-R diagrams have always been in C, right?)
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It probobly fluctuates more than 273degrees anyway.....
What does SOHO stand for?
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Solar Observations.....and....ummm... Heliospheric Orbit?
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"The Solar and Heliospheric Observatory"
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Hey that's unfair...they derived two letters from one word. :P
Who was credited with the invention of the telescope?
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galilo gallii (hard word to spell at 12:30am)
Who was credited for the reflector telescope?
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Actually, it was patented by Hans Lipershey (wrong spelling no doubt), Galileo merely refined his concept. The idea of using two lenses in unison had been thought of many centuries (or millenia) before.
Not quite sure about the reflector, my first guess would be Sir Isaac Newton?
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Sir Isaac Newton
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champion_munch beat you to the crunch
anyway I better go to bed now *yawns*
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I should go soon....see how far I can get with this thread tonight. :P
How many moons was discovered by Voyager 2?
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Yup I was at work. Sorry, I looked up the answer to my question, and found that I didn't really phrase it correctly. I was tired, it was late. Yup, that's the excuse I'll go with :wink: . The answer I was looking for was indeed Ergosphere.
Although now that I think about it, wouldn't every rotating body have an Ergosphere around it? Or is it called something different when it is around a star or a planet?
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Morning! Sorry, I wouldn't have a clue mate.
Why not start the ball rolling again?
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Do you mean on all Voyager 2 flybys? This was in my Backyard Astronomy book, but I can't remember the exact number--at least 20 or so, because Voyager 1 was Jupiter, and Voyager 2 was Uranus and Neptune, and I remember V-2 found 10 with Uranus alone, and 5 or 6 with Neptune. I can't remember how many between V-1 and V-2 with Saturn. So, I'll take a guess and say 20 before I look it up.I should go soon....see how far I can get with this thread tonight. :P
How many moons was discovered by Voyager 2?
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(I knew the Pleiades/Subara one and Hydra, at leastops: )
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Well, I think it's 16 (named) moons discovered by Voyager 2.Do you mean on all Voyager 2 flybys? This was in my Backyard Astronomy book, but I can't remember the exact number--at least 20 or so, because Voyager 1 was Jupiter, and Voyager 2 was Uranus and Neptune, and I remember V-2 found 10 with Uranus alone, and 5 or 6 with Neptune. I can't remember how many between V-1 and V-2 with Saturn. So, I'll take a guess and say 20 before I look it up.I should go soon....see how far I can get with this thread tonight. :P
How many moons was discovered by Voyager 2?
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(I knew the Pleiades/Subara one and Hydra, at least
At Uranus there was - Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Belinda and Puck.
And at Neptune there was - Naiad, Thalassa, Despina, Galatea, Larissa and Proteus.
But Proteus may have been discovered by Earth-bound telescopes just before Voyager arrived at Neptune, and there is still another moon around Uranus that has yet to be confirmed designated a name, but was discovered in 1986 (so I'm assuming that Voyager spotted it).
So .. yeah, you can ask a question now if you want.
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No, :wink: we must find out for sure. I'm going to look up it now, but thanks. I need to see how many by Saturn by V 1 and V2. Who can remember this by heart??
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I don't think that Voyager 2 discovered any moons around Jupiter or Saturn, but I'll look it up just to make sure.No, :wink: we must find out for sure. I'm going to look up it now, but thanks. I need to see how many by Saturn by V 1 and V2. Who can remember this by heart??
EDIT: Turns out that Larissa was discovered before Voyager 2 found it, so there's 15.
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OK, my book says "Voyager 2 confirmed the existence of 5 thin rings around Neptune and added six satellites to the two already known." It says 10 for Uranus. It doesn't split up Saturn V-1 and V-2, just a picture of 5 moons, but it's a composite. They probably were all by V-1....hmm. Do you know all those moons by heart?
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Who's turn is it?
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Yeah....well, not all of the new ones (gawd there's over 150 now!) but everything up to around the year 2000.OK, my book says "Voyager 2 confirmed the existence of 5 thin rings around Neptune and added six satellites to the two already known." It says 10 for Uranus. It doesn't split up Saturn V-1 and V-2, just a picture of 5 moons, but it's a composite. They probably were all by V-1....hmm. Do you know all those moons by heart?
Which 5 moons were in the composite? I don't think Voyager 1 discovered any moons.
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I thought we were figuring out how many moons of Saturn by V-1 or V-2. Do you know for sure. This link didn't help much:
http://www.windows.ucar.edu/tour/lin...s/voyager.html
Edit add: See, it doesn't divide them up:
Voyagers 1 and 2 then continued to Saturn, with Voyager 1 arriving in November 1980 and Voyager 2 in August 1981
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I think we should give Melusine a go; we both asked enough questions last night. :P
Yeah I'm almost 100% sure. I thought we were working out how many moons Voyager 2 found all up?I thought we were figuring out how many moons of Saturn by V-1 or V-2. Do you know for sure. This link didn't help much:
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