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 …
Is the angular size of the black hole in the movie "interstellar ...
Oct 15, 2020 · 3 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 …
Interstellar movie: What is the "portal" to the other galaxy?
Jun 2, 2015 · I recently watched Interstellar with some friends and we didn't come to the same conclusion. In my opinion, the portal they use to go to the other galaxy (to visit the three …
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 …
Do interstellar asteroids decelerate and eventually stop?
4 I do wonder, do interstellar asteroids eventually stop at one point in space after they gradually decelerate (or) even do they decelerate? Though there is no air like on earth and thus …
How cold is interstellar space? - Astronomy Stack Exchange
Jun 2, 2016 · The density of the interstellar medium is so very, very low that radiation losses completely dominate over conduction from the medium. The interstellar medium can be very …
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 …
Why is the interstellar medium so hot? - Astronomy Stack Exchange
What that ESA (European Space Agency) page titled Hot gas sloshing in a galactic cauldron that you link to describes are called WHIM (Warm–Hot Intergalactic Medium). They are not …
orbital mechanics - Identification and discovery of interstellar ...
Jul 9, 2025 · Considering the recent announcement by NASA of the discovery of a new interstellar object, 3I/ATLAS, I would like to ask a few questions about the process that leads to the …
Is interstellar matter even detectable at (near) 0 kelvin?
May 12, 2025 · Just how dense would interstellar matter have to be to even (practically) detect it with spectroscopy, if being near 0 kelvin (read: far away from nearby stars) affects its spectral …