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The word 'interstellar' in a sentence: The interstellar nebula was huge compared to the asteroid.

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What effect does interstellar dust have on the light from distant stars?

Interstellar dust scatters and absorbs light, causing it to appear redder and dimmer. This reddening effect is known as interstellar extinction, which can make it challenging to accurately measure the properties of distant stars. Scientists use techniques like infrared and radio astronomy to study objects behind interstellar dust.


What would the interstellar word for oxygen be?

The interplanetary, interstellar, and even intergalactic word for oxygen would still be "oxygen".


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.


Why are interstellar absorption lines so much thinner than stellar absorption lines?

Interstellar absorption lines are thinner than stellar absorption lines because they are produced by relatively sparse gas and dust in the vast interstellar medium, while stellar absorption lines are produced by more dense and complex environments within a star's atmosphere. The broader stellar absorption lines can be influenced by a variety of factors such as temperature, pressure, and magnetic fields, leading to their wider appearance compared to interstellar lines.


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.