The Universe is a vast and wondrous place -- so it shouldn't be surprising that you'll find all kinds of substances in all kinds of places, even the main ingredient in sunblock around a very old star.
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A scientific gamble helped astronomers estimate the mass of the protoplanetary disk surrounding the famous star TW Hydrae. ->
There goes the sun, but it's all right... it's just our big ol' Earth getting in the way of SDO's view again!
Some relationships are doomed from the beginning, and the same can be said of some planetary systems.
Nothing lights up the cosmos like a supernova. But why does a star explode to begin with?
