Category Archives: January 2019

Radio telescopes and the black hole

by Prasad Ganti Astronomy traditionally have been confined to seeing the light emitted by heavenly bodies. Nineteenth century discoveries proved that light is only a small part of the spectrum of what is known as electromagnetic radiation. It was found … Continue reading

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

Snippets

compiled by Arlene & David Kaplan China’s Chang’e-4 Launches on Mission to the Moon’s Far Side China is aiming to go where no one has gone before: the far side of the moon. A rocket carrying the Chang’e-4 lunar lander … Continue reading

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