By Donna Lu “Campfires” on the surface of the sunSolarOrbiter/EUI Team (ESA & NASA); CSL, IAS, MPS, PMOD/WRC, ROB, UCL/MSSL The closest images ever taken of the sun, by the European Space Agency’s Solar Orbiter, have revealed miniature solar flares everywhere near its surface. Dubbed “campfires”, these are up to a billion times smaller than…
By Leah Crane An artist’s impression of the HR 6819 system, with the orbits of two stars highlighted in blue and a black hole in redESO/L. Calçada There is a black hole in our backyard. Astronomers have found the closest black hole yet at just 1000 light years from Earth, close enough to see the…
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