Jennifer Ouellette remembers Vera Rubin:

Astronomy lost a great scientist today.

… Read the rest

Vera Rubin wasn’t very active on Twitter, in fact she sent only six tweets, all on February 6 this year. But they’re good ones.

https://twitter.com/rubin_vera/status/695087020180373504

https://twitter.com/rubin_vera/status/695094912895815681

https://twitter.com/rubin_vera/status/695097644033552384

That’s what she did. Result: discovery of dark matter.

Best of all the last one:

https://twitter.com/rubin_vera/status/695100893390331909… Read the rest

The BBC:

Astronomer Vera Rubin, whose pioneering work on galaxy rotation rates led to the theory of dark matter, has died at the age of 88, her son says.

Allan Rubin said she died on Sunday of natural causes, AP reported. She was living in Princeton, New Jersey.

Her studies earned her numerous honours, including being the second female astronomer to be elected to the US National Academy of Sciences.

But many questioned why she was never awarded a Nobel Prize.

I bet I know. I bet you do too.

In 1974, Rubin discovered that the stars at the edges of galaxies moved faster than expected.

Gravity calculations using only visible matter in galaxies showed that the outer stars