Category Archives: Cosmology

How Can Gas Particles Stick Together to Ultimately Form Stars and Planets?

Question: There is a lot of acceptance that when the gases of the universe began to join and spin because of the impact of those collisions. That would mean that all particles hit in the same direction, like using your … Continue reading

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What Lies Beyond the Known Universe?

Question: Do dimensions really exists? [Also,] are the black holes really or possibly portals leading to different dimensions (like a whole new universe or a totally different universe)?  [Also,] right now I read in the blog about like the diameter … Continue reading

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Can a Black Hole Become Unstable and Produce a “Small Bang”?

Question: Can a black hole become unstable and cause a “small bang”? Creating parallel universes? – Raoule Answer: I don’t believe that there are any reliable theoretical calculations that produce this series of events.  In fact, I don’t believe that … Continue reading

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Inconsistency Between the Age and Diameter of the Universe?

Question: I have read that the diameter of the universe is 96 billion light years.  How can that be if the universe is a mere 14 billion years old?  Am I to conclude that the 96 billion figure is some … Continue reading

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What is the Large Scale Structure of the Universe?

Question: What does the structure of the universe look like at the largest scales? Galaxy cluster are distributed evenly throughout space with no large gaps There are many more galaxies and clusters in some directions (up and down the milky … Continue reading

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Did the Big Bang Happen in a Pre-Existing Universe?

Question: Is it possible that the big bang occurred in a pre-existing universe? if not, how do we know?  – Gary Answer: I think that the best evidence to support the fact that the Big Bang happened in this universe … Continue reading

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Could the Accelerating Expansion of the Universe be due to a Pulling Force?

Question: Isn’t it possible that the answer to the increasing speed of the expansion of the Universe is that it is being pulled apart not being pushed apart? If the “unknown” Universe was trillions of light years of dark energy … Continue reading

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How Can a Supermassive Black Hole Form in a Galaxy Only 900 Million Years After the Big Bang?

Question: It is a challenging research topics to search how supermassive black holes formed at the early epoch. I am very much interested to do my future research on this topic. Could how please tell me what can be possible … Continue reading

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Why are Andromeda and the Milky Way on a Collision Course Rather than Moving Away from Each Other?

Question: If the universe is expanding and all galaxies are moving away from each other, how is it possible that the Andromeda and milky way galaxies are on a collision course?  – Johnny Answer: It is correct that on the … Continue reading

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Are There Multiple Universes?

Question: Hi! I am from Salt Lake City Utah. I’m in the sixth grade and in middle school. Middle school is really amazing and I love it. But what I love about it the most is my science teacher. His … Continue reading

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