What space travel can teach us about health and ageing
In the past 20 years, as a result of microgravity research in space, medical breakthroughs have been possible
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In the past 20 years, as a result of microgravity research in space, medical breakthroughs have been possible
A light-year is a measure of the distance it takes light to travel through interstellar space over the course of a year.
Scientists have found that around one-third of planets orbiting dwarf stars across the galaxy may orbit at the right distance for liquid water to exist.
Light is faster than anything else in the known universe, though its speed can change depending on what it's passing through.
From men on the Moon to doomsday-heralding planets, outlandish claims have plagued the scientific community — sometimes from unexpected sources.