On this day in 2013 – November 5th – the Mars Orbiter Mission (MOM) was launched.
MOM - also called Mangalyaan ("Mars-craft", from Sanskrit) was the first interplanetary mission launched by the Indian Space Research Organisation (ISRO).
On this day in 1572 – November 6th – Tycho Brahe recorded a bright new star, supernova SN 1572) in the constellation Cassiopeia.
Tycho's study showed that it wasn't a local phenomenon, but a distant star. This was completely contrary to the understanding of the time that the stars were part of sphere which was perfect and unchangeable.
Last edited by Mona - Astronomy; 11/23/1712:52 AM.
On this day in 1656 – November 8th – Edmond Halley was born.
Edmond Halley was one of the greatest minds of his era. He is still known today for Halley's Comet, which bears his name after he correctly predicted its return.
On this day in 1875 – November 11th – Vesto Slipher was born.
Slipher was an American astronomer, and director of the Lowell Observatory in Arizona. He was the first to discover the redshift of galaxies when he measured their velocities - this laid the foundation for Hubble's later work.
Last edited by Mona - Astronomy; 11/23/1712:49 AM.
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