Johann Gottfried Galle 1812 1.) He was the first person with his student to view the planet neptune. 2.) He discovered 3 new comets. 3.) He came up with a new method to measure the solar parallax (1 Jan 1812 Jahr – 5 Jun 1819 Jahr)

3 Mon. zuvor

199

1 Jan 1812 Jahr

5 Jun 1819 Jahr

~ 7 years and 5 months

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL