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The dimming of starlight as it passes through the interstellar medium is called?
interstellar extinction. This phenomenon occurs due to the absorption and scattering of light by dust and gas particles present in the interstellar medium, leading to a decrease in the observed brightness of the starlight.
The interstellar medium is enriched with heavy elements by the remnants of what?
The interstellar medium is enriched with heavy elements by the remnants of supernova explosions. Supernovae are massive stellar explosions that release heavy elements such as carbon, oxygen, and iron into space, enriching the surrounding interstellar medium with these elements.
Which of these is not a consequence of dust in the interstellar medium?
One consequence of dust in the interstellar medium is causing reddening of starlight due to scattering and absorption.
What are shocks from supernovae?
Shocks from supernovae are abrupt changes in pressure and temperature caused by the explosion of a massive star. These shocks create powerful waves that propagate through the surrounding interstellar medium and can trigger the formation of new stars and influence the dynamics of gas and dust in galaxies. They also contribute to enriching the interstellar medium with heavy elements synthesized in the supernova explosion.
The dust particles have exactly the same chemical composition as the gases of the interstellar medium?
Dust particles in the interstellar medium are made up of a variety of elements such as carbon, oxygen, silicon, and iron, similar to the composition of the gas. However, the dust particles can also contain complex molecules and compounds that are not present in the gas phase. Additionally, the physical and chemical properties of the dust particles can vary depending on their size, shape, and location within the interstellar medium.
The dimming of starlight as it passes through the interstellar medium is called?
interstellar extinction. This phenomenon occurs due to the absorption and scattering of light by dust and gas particles present in the interstellar medium, leading to a decrease in the observed brightness of the starlight.
What is the most abundant element in the interstellar medium?
Hydrogen is the most abundant element in the interstellar medium, making up about 90% of its mass. Helium is the second most abundant element in the interstellar medium, with trace amounts of heavier elements such as carbon, oxygen, and others.
The interstellar medium is enriched with heavy elements by the remnants of what?
The interstellar medium is enriched with heavy elements by the remnants of supernova explosions. Supernovae are massive stellar explosions that release heavy elements such as carbon, oxygen, and iron into space, enriching the surrounding interstellar medium with these elements.
Which of these is not a consequence of dust in the interstellar medium?
One consequence of dust in the interstellar medium is causing reddening of starlight due to scattering and absorption.
What is meant by the medium of a wave?
Waves need a medium to propagate themselves through. The waves generated on a pond by a falling droplet need a medium, in this case its the very water of the pond. Sound waves can propagate both though a water medium or an air medium for example. Electromagnetic waves are an exception in that they do not need a medium to propagate through (the can propagate through the void of interstellar space).
What has the author Brian M Cancellieri written?
Brian M. Cancellieri has written: 'Interstellar medium' -- subject(s): Interstellar matter
Which part of the interstellar matter produces reddening?
Visible light against electrons combined with ionized hydrogen create the "reddening" effect in the Interstellar Medium.
What has the author Ginevra Trinchieri written?
Ginevra Trinchieri has written: 'The environmental impact of intra-cluster medium on the interstellar medium in early type galaxies' -- subject(s): X ray astronomy, Galaxies, Interstellar matter
Is air a transparent or an opaque medium?
Air is a transparent medium, because you can see through it fully. Opaque mediums are those that you cannot see through at all.
What has the author W B Burton written?
W. B. Burton has written: 'The galactic interstellar medium' -- subject(s): Astrophysics, Interstellar matter, Molecular clouds
Radio waves of 21cm wavelength originate from which component of the interstellar medium?
Cold atomic hydrogen
What are shocks from supernovae?
Shocks from supernovae are abrupt changes in pressure and temperature caused by the explosion of a massive star. These shocks create powerful waves that propagate through the surrounding interstellar medium and can trigger the formation of new stars and influence the dynamics of gas and dust in galaxies. They also contribute to enriching the interstellar medium with heavy elements synthesized in the supernova explosion.
