Author Archives: Jeff Mangum

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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Has Antares B Ever Been Imaged?

Question: Thank you so much for lending your time so generously. My question is: Has Antares B ever been photographed?, it seems to be elusive because of the proximity to the red sister, but, are there photos of it, and … Continue reading

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Can Black Holes Swallow Planets and Moons?

Question: Can black holes swallow planets and moons?  – Chandi Answer: Black Holes swallow anything that gets trapped in its voracious gravitational pull.  Stars, gas, dust, planets, moons, etc. can all be swallowed by a Black Hole. Jeff Mangum

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Very Large Array Visitor Statistics

Question: I am currently working on a research project about dark skies for one of my master classes. I would really appreciate some of your time in getting information about the VLA. Does the VLA keep track of the number … Continue reading

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Do Radio Sources “Twinkle”?

Question: Usually observations with radio telescopes are not affected by rain, clouds etc. but recently i heard scintillation effects can affect observations with radio telescopes. I want to know why it is affected by that. – Anjali Answer: Radio observations … 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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What if the Sun did not turn into a Red Giant and the Moon moved out of its Orbit Around the Earth?

Question: What effects would we see on Earth if the Sun wouldn’t turn into a Red Giant? If the Moon would move away slowly until extracted from its orbit, would that, for example, affect Earth’s axis?  – Walle Answer: If … Continue reading

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What are those Jets Streaming from a Black Hole?

Question: On a recent visit to the Very Large Array we saw a radio image of a black hole with two streams of gas and dust being ejected from the area.  Is this essentially the EXIT for matter from the … Continue reading

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Radio Astronomy Textbook Recommendation

Question: A couple of friends of mine and I are physics students. We have decided to build a radio telescope. I am responsible for data analysis part. What knowledge do I need more than Radio Interferometers, Fourier Transform and  Spectroscopy?  … Continue reading

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What is an Astronomer’s Work Day Like?

Question: Hi, just curious as to what astronomers do when the night sky is cloudy and observing is impossible? And what are your regular work hours? Do you start your day in daylight and work into the night?  – Jack … Continue reading

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