Astronomy & Space - December 2007

The Moon has more surface craters than Earth does because the Moon has

1. no significant atmosphere
2. a surface more sensitive to impacts
3. a smaller diameter than Earth
4. a stronger gravitational force

any ideas what the answer is?

2007-12-18 08:22:38 · 6 answers · asked by GirlyGirl 2

How can you explain Jupiter having two moons moving in different directions?

2007-12-18 08:13:10 · 8 answers · asked by Cody™ 3

Say I was to record myself blowing up a balloon. Let’s say it took 20 seconds. I then reverse the recording a play you the first 15 seconds.

You may extrapolate and conclude that the balloon got smaller and smaller until it no longer existed. But we know that if this was the case then the balloon could not have inflated in the first case as the valve would not have been present. I guess those missing first 5 seconds are crucial!

Now let’s transfer this analogy to cosmology. Is it logical to extrapolate the universe back to a singularity? Especially based on the equipment, techniques, methods, resources and evidence we have available.

In doing so, are we removing the analogous valve and balloon factory from the equation?

2007-12-18 08:12:24 · 4 answers · asked by Future Human 1

what did it look like

2007-12-18 08:05:07 · 19 answers · asked by Anonymous

2007-12-18 07:53:11 · 9 answers · asked by B g 1

not completely quantum, more as a rather of chance and philosophy:

Is it possible for an alien race to be millions of years ahead of humanity to be able to produce a nova explosion?

just reading a news story about a bright explosion a few billion light years away where there was relatively nothing- science fiction yes, but food for thought

2007-12-18 07:52:52 · 2 answers · asked by Flaming Pope 4

I am in the process of asking for my one wish to be granted by a foundation. I know what telescope, software, and even accessories and laptop I want. But the hard part is the camera. I just dont know what features make for a very good astrophotography camera. If someone could please help I would greatly appreciate it.

2007-12-18 07:51:10 · 2 answers · asked by balefor 1

I was just in my living room watchin night time telly! When the whole sky turned like a Greeny colour but it was sooo bright that it looked like daylight again! it like moved across the sky and lasted about 5 seconds!!

It actually freaked me out lol I've looked on the local news but theres nothing about it!! My brother who missed it said it could of just been one of those Really BIG illegal fireworks!! (but there was no BANG!)

Does anyone know what it could of been???

=)

2007-12-18 07:33:45 · 5 answers · asked by Anonymous

Where is the place where sun never sets/ rises, is it Canada & what is the reason?

2007-12-18 07:13:45 · 9 answers · asked by Devoted 1

OK, this is gonna be a doozy. I hope I don't lose too much credibility (if I ever had any) for asking this, but the idea occurred to me, so here goes. :)

We, as a planet, have an abundance of greenhouse gasses right now, right? They are bad and we not only need to cut down on their production, but it would be good to get rid of some we've already produced. So, why couldn't we build a giant tube or hose? One end would be attached to something in space (unmanned) and the other would be attached to something flying in the correct level of our atmosphere. We could just vacuum out some of the gasses, couldn't we?

Let the berating begin! :) But thanks to all serious answers. :)

2007-12-18 06:41:07 · 9 answers · asked by searching_please 6

2007-12-18 06:32:11 · 4 answers · asked by North_Star 3

2007-12-18 06:17:09 · 16 answers · asked by Anonymous

one of those questions i've never had the answer to. So if astronauts suited up, and succesfuly left the earths atmosphere into space towards the moon - how long in days would it take before they entered into The moons atmosphere ?

2007-12-18 06:02:53 · 4 answers · asked by Anonymous

I have always known that a Black Hole pulls in mater over it's Event Horizon towards it's Singularity. Does this have anything to do with Hawking's Paradox?

2007-12-18 05:56:46 · 3 answers · asked by Joehalfadolla 2

2007-12-18 05:51:34 · 9 answers · asked by kinder52438@sbcglobal.net 1

i know that a trillion miles is 1/6 of the distance light can travel in a year. But we clearly don't have any rockets that can travel 300,000km per second...so with what we do have right now, how long will it take for a spaceship (carrying humans) to travel a trillion miles?

(i'm unaware of the fastest spaceship unavailable at the moment)

2007-12-18 05:41:04 · 9 answers · asked by How To Save A Life 2

2007-12-18 05:32:42 · 5 answers · asked by Flor de liz C 1

If the sun moves 6 degrees in the sky, how many full disks of the sun would it move?

e.g. this is 4

_______
O
O
O
O_______

(I worked it out to be 7, but I'm not sure.)

2007-12-18 05:32:24 · 4 answers · asked by SteveLaw 4

2007-12-18 03:54:10 · 11 answers · asked by Anonymous

and i dont mean a horoscope. means that the sun starts its year in the constellation virgo? is that what that means?

2007-12-18 03:07:13 · 3 answers · asked by wolffromthenothing 2

How much higher in the sky (in degrees) is the Sun at it's highest point on the longest day (and also on the shortest day) in Plymouth, compared to Edinburgh?

Any ideas?

2007-12-18 03:06:24 · 6 answers · asked by SteveLaw 4

2007-12-18 02:09:05 · 15 answers · asked by Andrew P 1

2007-12-18 01:32:00 · 32 answers · asked by Anonymous

2007-12-18 01:14:04 · 12 answers · asked by Anonymous

2007-12-18 00:43:29 · 4 answers · asked by asa3013 2

2007-12-18 00:41:08 · 3 answers · asked by asa3013 2

are they trying to tell us this was the space race the russians were fools they lost all there gold us yanks were smart sent them broke trying to keep up with the Joneses no one can live in space what do you think.

2007-12-18 00:34:36 · 8 answers · asked by david p 3

2007-12-18 00:24:07 · 17 answers · asked by charanboy 2

2007-12-18 00:17:42 · 7 answers · asked by tryme 1

I like that one better than any others I've read about.... it just makes sense to me..... I really don't like the one that has the Universe expanding to death.... too unlike the natural laws we know.....who came up with the repeating theory, anyways?... thanks!!!

2007-12-18 00:09:18 · 5 answers · asked by meanolmaw 7