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  These two Hubble Space Telescope visible-light views of the edge- on disk of dust around the star Beta Pictoris yield telltale evidence for the existence of planets, and possibly the gravitational tug of a companion brown dwarf or bypassing star.
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  The layer-cake structure of the atmosphere of a planet orbiting another star
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  This picture shows the Sun and the ultracool dwarf star TRAPPIST-1 to scale. The faint star has only 11% of the diameter of the sun and is much redder in colour.
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  Blue straggler stars are blue, bright stars, with a higher mass than the average for a cluster, and they are expected to sink towards the centre of a star cluster over time.
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  Pictured here is the region surrounding the exoplanet HD106906b. Located nearly 336 light-years from Earth, this 11-Jupiter-mass planet occupies an unlikely orbit around a double star 336 light-years away
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  Streaming out from the centre of the galaxy M87 like a cosmic searchlight is one of nature's most amazing phenomena, a black-hole-powered jet of electrons and other sub-atomic particles traveling at nearly the speed of light.