Category Archives: December 2019

Mercury Rising

by Theodore R. Frimet of mice and bears Needless to say, do not look directly at the Sun. Do not put filters on an eyepiece and look thru it. In either of these cases, you will be permanently blinded. Let’s … Continue reading

Posted in December 2019, Sidereal Times | Tagged | Leave a comment

Snippets

compiled by Arlene & David Kaplan Scientists find ‘monster’ black hole Before now, scientists did not think it was possible for a stellar black hole to have a mass larger than 20 times that of the sun, an approximation based … Continue reading

Posted in December 2019, Sidereal Times | Tagged | Leave a comment