Science du Jour

Today class, we discuss stars, dark matter, and ... and cows. Yes there I said it, cows.

First an article about a galaxy larger than the Milky Way, but with fewer stars and little or no dark matter

http://www.spacetelescope.org/news/heic1806/

Then the seismic question of how much the impact from celestial bodies upon us (or cows) would have. Would it change if there is no dark matter around that star?

https://www.johndcook.com/blog/2018/03/28/cow-astrology/

Enjoy, or ignore to your peril!