Aurora over Icelandic Glacier
An epic auroral display, a dark night, few clouds and a body of water that was both calm enough and unfrozen to show reflected stars. All these
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Flower on the Sun
Some regions of the solar chromosphere, in a specific color of red light emitted by hydrogen, may resemble a rose.
New Space Telescope 1,000 times sharper than the Hubble
A revolutionary space telescope concept by NASA, could provide images up to 1,000 times sharper than the Hubble Space Telescope.