With some blockbuster space missions underway, 2019 saw some amazing images beamed back to Earth.
, Nasa's New Horizons spacecraft was sent after a different target in the distant Kuiper Belt, which lies beyond the orbit of Neptune. This belt is populated by thousands of primitive, icy objects that provide insights into the very beginnings of our Solar System.
Scientists settled on an object called MU 69, which had only been discovered in 2014. MU 69 turned out to be a 39km-long"contact binary", composed of two different icy balls that collided at low speed. The reddish colouration is caused by organic compounds called tholins on the surface.Eta Carinae is a star system located around 7,500 light-years away. It consists of at least two stars that, combined, emit about five million times more energy than our Sun.
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