Interstellar Gas
For many years, scientists believed that outer space was an empty vacuum, devoid of matter. This misconception has been changed with the discovery that the space between stars and oth...
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Interstellar Space
Interstellar space (or the interstellar medium, or ISM), as it is sometimes more appropriately called) is the vast volume of space between the stars in our galaxy. Although so incre...
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Interstellar Gas