120
A supermassive black hole – A huge black hole with a mass of more than 100,000 solar masses.
A supermassive black hole
previous post
A supermassive black hole – A huge black hole with a mass of more than 100,000 solar masses.
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.