What is the closest galaxy? - Astronomy Stack Exchange
2020年11月19日 · The Andromeda Galaxy is actually number 86 in that list of nearest galaxies. The Small Magellanic Cloud is number 23 and the large Magellanic Cloud is number 19. The nearest galaxy on the list is the Canis Major Dwarf Galaxy, altough its status as a galaxy is soemewhat disputed.
What is the distance of the closeset galaxy outside our local group …
2023年1月2日 · The galaxy closest to any member of the Local Group. Wikipedia has a list of nearby galaxies to reference, so I'll pick the first one. One problem with answering this question is it's not entirely clear which galaxies are part of the Local Group.
distances - What is that stuff around Andromeda Galaxy
2022年1月11日 · I know Andromeda Galaxy is one of the closest galaxies to our Milky Way, but there are photographs showing it to be surrounded by smaller bodies. Are there any that are closer, or are they all farther away. I am guessing that the smaller looking galaxies are all farther away, but there is a wide variety of sizes.
Which galaxy is closest to the center of the KBC void?
The Wikipedia page says that the Milky Way is within a few hundred million light-years of the center of the KBC void, but I'm unable to find out what, if anything, is closest to the center. Is this information available anywhere?
What’s the closest earth like planet we have discovered in our …
2019年1月28日 · It is a rocky planet in the habitable zone of its parent star Proxima Centauri, the closest star to Earth. The name of the planet is Proxima b, this planet is approximately 1.3 times the mass of Earth and possesses an orbital period of roughly 11.2 Earth days.
galaxy - Why are stars still distant from one another? - Astronomy ...
2020年8月3日 · All these stars orbit the galaxy center of mass. The galaxy outweights any possible star by many orders of magnitude and dominates the orbital motion, unless some stars come pretty close together. The orbits of the stars are more or less stable in the same sense that orbits of planets are stable in the solar system.
galaxy - Is Andromeda tilted up or down relative to us?
2024年10月18日 · Here's a typical photo of the Andromeda galaxy. It is hard to see whether we are peering down on its topside or up at its underside relative to us. As an example of what I mean, in the following illusion the figure spins in different directions depending on whether perceived viewing angle is from above or from below.
How to tell a nebula from a galaxy? - Astronomy Stack Exchange
2015年4月22日 · That is a good question, and before it was known that Andromeda is a galaxy, it was indeed assumed to be a nebula. What really gives away a galaxy is its distance. Even Andromeda, with is the closest galaxy to ours, is over 30 …
galaxy - Is there a map of the galaxies? - Astronomy Stack Exchange
2016年3月19日 · Peebles told me that his daughters had undertaken to produce the poster version using a stipple brush to represent the local galaxy density - the dots making up the image are not the galaxies. The picture is used as the frontispiece of his book "Large Scale Structure of the Universe" where credit is given to "J.A. Peebles and P.J.E. Peebles".
galaxy - Do we know two neighbor galaxies that are parallel ...
2023年12月11日 · Neighbor galaxy: one galaxy is the closest galaxy of the other one, no matter of an absolute distance. Galaxy: I'm looking for two big galaxies, like Milky Way and Andromeda. Not a small satellite galaxy. Ideally something like this, where both …