| Subject | Date Asked |
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| A question about black holes | 12/2/2006 |
Q: I am a student from Israel. I'm doing a school project about "Black Holes", and i have a question I ...
A: I am very glad to answer your question. The strong gravitational field about the black hole is ...
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| astronomy | 10/19/2006 |
Q: my friend asked me this and i have been stumped for days now. suppose that two stars are seperated ...
A: the star image is not a point because of telescope resolution. You can imagine it as a circle. The ...
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| positions od stars | 8/30/2006 |
Q: I have a pretty good handle on astronomical distances and time. But please answer me this: Even ...
A: The first question is very complicated. I would say Yes and No. If the objects (stars, galaxies, ...
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| Homogeneousness and isotropism | 8/11/2006 |
Q: Years ago I read that the universe is homogeneous and isotropic? I seem to remember that isotropism ...
A: There is a good example that explains why. Image a universe in which all the particles are moving at ...
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| BB Cosmology | 8/9/2006 |
Q: In quantum cosmolgy, does absolute nothingness exist? I am told that it does and that even Hawkins ...
A: Your understanding is quite right. But vacuum doesn't mean absolute nothing. One of top problems of ...
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| Biggest Thing In the Universe | 8/2/2006 |
Q: A recent piece of news reported that the Subaru Telescope has found it ▬a branching structure ...
A: Structure usually means that the components are gravitationally related with each other. For ...
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| Galaxys and Universes | 7/20/2006 |
Q: Can you tell me if a universe is as same as a galaxy. Thak you
A: No, the universe is different from a galaxy. Think of our human society. The galaxies are like ...
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| career guidance | 7/12/2006 |
Q: please advice regarding the the cources available in astronomy in the US FOR graduation .especially ...
A: there! I am glad that you are interested on Astronomy. Though I am a student in UK system, I can ...
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