Is the angular size of the black hole in the movie "interstellar ...
Oct 15, 2020 · One striking example of this that has seems counter-intuitive, is the angular size displayed for the black hole "Gargantua" in the movie Interstellar. The characters in the movie …
Interstellar Dust properties - Astronomy Stack Exchange
Mar 15, 2021 · While it’s true that 98% of the interstellar gas is hydrogen and helium, dust is composed of the last 2%. That is, iron, carbon, silicon, oxygen, etc. 🚫 Finally, while it’s true that …
interstellar travel - What proportion of the universe has a …
How much of the universe has a completely dark sky? To clarify, I mean “dark” to the unaided human eye. By “completely dark”, I mean there are no persisting lighted images (such as stars …
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 …
interstellar travel - How do we know about the origin of …
The reason it is sure to have an interstellar origin is its very high speed, much larger than an object simply falling from the Oort cloud. If you could say what your objection to this is, then …
Why is the interstellar medium so hot? - Astronomy Stack Exchange
Nov 20, 2013 · 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 …
How cold is interstellar space? - Astronomy Stack Exchange
Jun 2, 2016 · But since the interstellar medium (ISM) is so dilute, a normal thermometer will radiate energy away faster than it can absorb it, and thus it won't reach thermal equilibrium …
How does interstellar matter density vary? - Astronomy Stack …
Apr 13, 2017 · The interstellar medium is a multiphase medium, and you can find (some references in this lecture and in this thesis manuscript (this one is in French, but numbers are …
Do pulsar beams interact with the interstellar medium?
Feb 17, 2020 · Yes. the emissions from a pulsar do interact with interstellar medium - this effect is called dispersion. When the emission from the pulsar hits free electrons (and dust) in the …
Why is [O III] a good density probe in interstellar medium?
Jan 14, 2015 · According to Draine in his book "Physics of the interstellar and intergalactic medium" (page 210/211) and Caltech [O III] line ratio's (amongst others) are a good density …