The Planets in September 2021

Mercury This is the best time to see Mercury if you have a dark western sky free of light pollution in the early evening. It will be moving through Virgo this month, and on the 21st, it will be very close to Virgo’s brightest star Spica. They will be separated...
Brewer William Lassell Discovers Neptunes Moon Triton in 1846.

Brewer William Lassell Discovers Neptunes Moon Triton in 1846.

On this day October 10 in 1846 – British astronomer, William Lassell discovered Neptune’s Moon Triton. This discovery came only 17 days after the planet itself was discovered. After Herschel had learned of the discovery of Neptune – he contacted his...