in, couldnt they work out the point they are travelling from. They cant all be moving away in the same direction.Sorry my vocabulary isnt up to writing what im thinking.
2007-02-11 00:49:12 · 5 answers · asked by tunachunks199 1 in Science & Mathematics ➔ Astronomy & Space
All galaxies are, in fact, receding from us (not all stars in our own galaxy are, because we and they are all orbiting the galactic centre).
Its easy to see how this could be the case if you think about the surface of a balloon that is being blown up. Every point on the surface is, in fact, receding from eveyr other point.
2007-02-11 01:07:35 · answer #1 · answered by Anonymous · 1⤊ 0⤋
If I understand your question correctly, you are asking if astronomers should be able to calculate the Origin of the big bang by looking at where the galaxies are expanding towards.
Theoretically, they should be, but you have to remember that we are still just DISCOVERING galaxies. We don't even know them all,so there is no way we can do calculations about things we haven't even seen yet.
Also, you have to remember that some of the matter in the universe likely "broke off" some other matter and may be traveling in directions that were not initiated by the big bang.
2007-02-11 09:00:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Solar system movement inside of our Galaxy (Milky Way) is but a local movement, compared with the global movement of galaxies themselves, that is what matters related to the expansion that follow the big-bang. Astronomers try to locate the origin of the Big-Bang observing the deep sky, about 14 billion of light-years of distance. Of course that very point has not be reached, and maybe it will never be reached.
2007-02-11 08:57:25 · answer #3 · answered by Jano 5 · 0⤊ 0⤋
They can and they already know. All matter (all stars, planets, galaxies, clusters of galaxies included) started from a point smaller than a pin head. Everything we see in the universe was together in that small space just before big bang.
2007-02-11 08:57:43 · answer #4 · answered by ramshi 4 · 0⤊ 0⤋
I believe they have said it is expanding from everywhere and not just a point source.
Anyways, look into quantum physics, it has some good theories on this type of stuff.
2007-02-11 08:58:35 · answer #5 · answered by nemesis_318 2 · 0⤊ 0⤋