News for hackers. Stuff that matters.

A comment on Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours. Parent comment

Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by Lukas_Skywalker on Wednesday August 14, 2019 @07:59AM (#20694561)
I'm sure it's a typo, but for others: speed of light is 300'000 m/s in vacuum, not km/h.
[ Parent | on HN ]
Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by Cyberspy on Thursday August 15, 2019 @04:54PM (#20709561)
It's not a typo - it's 299,792,458 m/s - approx 300,000,000 m/s or 300,000 km/s
[ Parent | on HN ]