Interstellar Dust properties - Astronomy Stack Exchange
Mar 15, 2021 · While practicing for an upcoming examination, I ran into this problem: Which of the following best describes dust grains in the interstellar medium: They are a few hundred …
Is the angular size of the black hole in the movie "interstellar ...
Oct 15, 2020 · I assume everybody is tired of reading questions derived from the movie Interstellar, I will try to keep this short and simple: In general in movies, in order to have …
solar system - In theory, could an object like 'Oumuamua have …
Aug 24, 2024 · Maybe, but the probability is very low. There are excellent answers at the recent related question, Can it be predicted if an Interstellar Object will get bound to the solar system …
What are the differences between Intergalactic Medium, …
Oct 29, 2021 · The interstellar medium (ISM) is, as you say, the gas (and dust) in between the stars, within a galaxy. It consists of molecular, neutral and ionized gas, with densities ranging …
Why does rotation prevent the further contraction of the cloud?
Apr 16, 2021 · In the book Horizons: Exploring the Universe (2018) by M.Seeds and D.Backman, chapter 9, page 170-171, it states that: At least four factors resist the compression of an …
Why is the interstellar medium so hot? - Astronomy Stack Exchange
The difference in density is huge, with interstellar medium density at an average of $\rho ∼ 1\ ppcm$ (one proton per cubic centimeter), but the density of these WHIM being even a few …
What is a "Gentle Giant" Black Hole? - Astronomy Stack Exchange
Sep 12, 2023 · A similar phrase, "gentle singularity," is used in the movie Interstellar. There has been some discussion about that, in which the consensus seems to be that the size of a …
terminology - Is "intrastellar" commonly used by astronomers to …
Quick checks of a few of them show a mixture of simple typos (i.e., "intrastellar" used when "interstellar" is clearly meant), awkward/failed attempts at synonyms for "intracluster stellar …
Solar-system origin of interstellar bodies (like 1I/ʻOumuamua)?
Jul 6, 2025 · I understand that 1I/ʻOumuamua and the other two bodies (2I/Borisov and 3I/ATLAS) are classified as interstellar objects based on their distance from the Sun and their speed. In …
Solar Winds and Bow Shock Cause - Astronomy Stack Exchange
Dec 23, 2021 · At the edge of our solar system, where the solar winds pass through and enter the interstellar medium there was an expectation of bow shock but instead it was far diminished. …