If you explore the night sky it won't be long before you realize there is a lot of dust and gas up there. The interstellar dust between the stars accounts for 1% of the mass of the interstellar medium but reflects 30% of the starlight in infrared wavelengths. The dust plays a key role in the formation of stars and the evolution of the galaxy. A team of astronomers has attempted to map the dust out to a distance of 3,000 light years and have just released the first 3D map of the dust in our galax...
If you explore the night sky it won't be long before you realize there is a lot of dust and gas up there. The interstellar dust between the stars accounts for 1% of the mass of the interstellar medium but reflects 30% of the starlight in infrared wavelengths. The dust plays a key role in the formation of stars and the evolution of the galaxy. A team of astronomers has attempted to map the dust out to a distance of 3,000 light years and have just released the first 3D map of the dust in our galax...
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