Is 'Planet Nine' actually a grapefruit-sized black hole? Big new telescope could find out - Space.com

https://news.google.com/__i/rss/rd/articles/CBMiO2h0dHBzOi8vd3d3LnNwYWNlLmNvbS9wbGFuZXQtbmluZS1ibGFjay1ob2xlLXRlc3QtbHNzdC5odG1s0gE_aHR0cHM6Ly93d3cuc3BhY2UuY29tL2FtcC9wbGFuZXQtbmluZS1ibGFjay1ob2xlLXRlc3QtbHNzdC5odG1s?oc=5

Établi 5y | 12 juil. 2020 à 00:02:06

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