Part 1 - Astronomy Cast - Episode 172 - William Herschel - Released (1-10-2010)

Ancient astronomers knew of 5 planets, Mercury, Venus, Mars, Jupiter and Saturn - 6 if you count Earth. But then in 1781, William Herschel discovered an entirely new planet, boosting the number of planets to 7. Let's learn about Herschel, his equipment, his discoveries, and his sister Caroline - an accomplished astronomer of her own. Part 1 of 3

Credit - Fraser Cain & Dr. Pamela Gay

Category:

Science & Technology

Tags:

• astronomy
• cast
• episode
• 172
• fraser
• cain
• doctor
• pamela
• gay
• william
• herschel
• astronomer
• mercury
• venus
• mars
• jupiter
• saturn
• earth
• planets
• solar
• system