25/06/2020

Astronomers discover 'monster' quasar from early universe

Astronomers have discovered the most massive quasar known in the early universe, containing a monster black hole with a mass equivalent to 1.5 billion suns. Formally designated as J1007+2115, the newly discovered quasar is ...

Climate extremes will cause forest changes

No year has been as hot and dry as 2018 since climate records began. Central European forests showed severe signs of drought stress. Mortality of trees stricken in 2018 will continue for several years.

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