coronal gas
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Where Did the Interstellar Medium Come From?
Contrary to popular belief, space is not empty. The space between the stars is filled with clouds of dust and gas. And this space — the interstellar medium — is incredibly beautiful and fascinating. I often refer to the interstellar…
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What is Coronal Gas?
Stars are hot. Space is cold. We’re all familiar with that, right? Ok, good. Technically, it’s more complicated than that. Space isn’t completely frigid — absolute zero, the temperature at which there is no heat whatsoever, is purely theoretical and not…
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What are Molecular Clouds?
Meet the Pillars of Creation, a photograph taken by the Hubble Telescope in 1995. These apparent “pillars” of dust and gas are what we call molecular clouds. And this region of clouds in space is aptly named: it’s where stars are…
