light sources
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How Do We Know When the Sun Will Die?
Consider the Sun: hot, massive, and the reason all of this (gestures wildly) is possible. Our local star fuels all life as we know it, providing the energy that sustains everything from the smallest photosynthesizing microorganisms to the largest animals on land and in the seas.
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Astronomers Find Massive Space ‘Cavity’ Possibly Left Behind by Explosion
Astronomers measuring the shapes and sizes of two gas clouds in space have discovered a big gap between them, leading them to believe that the clouds are what’s left of a series of stellar explosions or a single massive one.
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Sun Gets Ahead of Itself, Shoots Off Huge Solar Flare on July 3rd
The Sun jumped the gun on July 4 celebrations, as a huge solar flare erupted on the morning of July 3. NASA’s Solar Dynamics Observatory captured the outburst.
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Astronomers Think They have Spotted a Rare Kind of Supernova Only Predicted to Exist
A team of astronomers discovered a supernova they believe was formed after the star’s electrons were consumed by other elements in its core. That would make the supernova an electron-capture supernova, a theorised type of stellar explosion first proposed 40 years ago. This may not be the first of these rare explosions documented by humans,…