NASA discovered a reservoir in space that holds the equivalent of 140 trillion times all the water in the world’s oceans.

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If we were to look at the sky with a radio telescope tuned to 408 MHz, the sky would appear radically different from what we see in visible light. Instead of seeing point-like stars, we would see distant pulsars, star-forming regions, and supernova remnants would dominate the night sky.

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In 1977, we received a signal from deep space that lasted 72 seconds. It is referred to as “6EQUJ5”. We still don’t know how or where it came from.

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