Explosive Galaxy

27 December 2021
Astronomy

At https://phys.org/news/2021-12-image-hubble-views-galaxy-explosive.html … the Hubble space telescope, had a side view of NGC3568, a spiral galaxy. It recorded what is attributed by NASA and ESA as a supernova explosion. This is thought to mark the end of a massive star.

At https://phys.org/news/2021-12-teams-hayabusa2-asteroid-samples.html … samples taken from the asteroid Ryugu by the Japanese space probe, Hayabusa2, has found it was carbonaceous – mostly made of carbon. The surprise was the colour of the samples. They looked like coat residue = very black. It was also low in reflectivity, less than that of tarmac = which is black. It also had a high porosity. Overall, the findings suggest Ryugu resembles chondrites, the source of many meteorites on earth. These include meteorites with an origin in comets or space rocks that explode in the atmosphere and distribute bits and pieces over the surface of the earth.

At https://phys.org/news/2021-12-james-webb-space-telescope-world.html … the launch of the James Webb  space telescope, designed to take over from Hubble. It will be  while  before it is active.

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