Astronomy is hard
I think that's my favourite thing I've read this year. Issued as an update to
www.astronomerstelegram.org/?read=11448
( , Wed 21 Mar 2018, 20:57, Share, Reply)
I think that's my favourite thing I've read this year. Issued as an update to
www.astronomerstelegram.org/?read=11448
( , Wed 21 Mar 2018, 20:57, Share, Reply)