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  1. What is the closest galaxy? - Astronomy Stack Exchange

    Nov 19, 2020 · 2 I think that the galaxy closest to the Earth, that is, to the Milky Way, is the nebula called Andromeda, which is 2.5 million light years away. Despite this great distance, M31 is …

  2. What is the distance of the closeset galaxy outside our local group …

    Jan 2, 2023 · 5 The Milky Way is 2.5 million light years from Andromeda and the size of the Local Group has a diameter of approxmiately 10 million light years across. What is the distance from …

  3. distances - Is the light we see from stars extremely old?

    Our nearest star Proxima Centauri is 4.243 light years away from Earth. Does that mean we are seeing light that is 4.243 years old everyday?

  4. active galaxy - How close would a quasar have to be to be seen …

    Jul 5, 2024 · If we moved it to 113 million light-years away, it would reach magnitude 6 and be faintly visible with the unaided eye. If it were in Bode's Galaxy, it would be at magnitude 1.08, …

  5. How long would it take to reach the edge of the reachable universe?

    Jonathan's answer is essentially correct, but as Rob Jeffries comments, he doesn't take into account that the Universe is expanding during the journey. The edge of the observable …

  6. What is the distance between the solar systems towards the center …

    Oct 28, 2019 · The distance from our Solar System to the nearest is roughly 260,000 AU. I am wondering what is the minimum distance between two Solar Systems. Since the center of our …

  7. Nearest spiral barred galaxy undergoing interaction

    Apr 28, 2023 · Which is the nearest spiral barred galaxy undergoing interaction, other than M31 (Andromeda) and our own Milky Way galaxy?

  8. galaxy - What are the nearest galaxies I can observe? - Astronomy …

    Dec 1, 2014 · 3 The nearest one is the one you are on: Milky Way. It can be seen from any place, as it is all around us. If you want to actually look at a whole galaxy in a simple view, then the …

  9. Can we resolve redshifts for different parts of a galaxy?

    For example, this is such a map of M31 (Andromeda Galaxy): source If the apparent size of the galaxy is more than one pixel in your data, then technically you can produce such a map. The …

  10. apparent magnitude - Why are nearby stars like Proxima Centauri …

    Aug 22, 2017 · Of the estimated 100 billion stars in our galaxy (1.2 billion currently mapped), only about 2000 are visible to the naked eye. As @john notes, the only reasons we see these 2000 …