The beauty of the universe in NASA tweets

    NASA's Twitter often has very beautiful photos. Here is a selection of recent results.

    A flash in the sun.

    A recently discovered planet the size of the Earth in a habitable zone of one of the stars.

    This is how the light emitted during photosynthesis by plants looks from space. This light is invisible to the human eye.

    Supernova explosion.

    Milky Way.

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