logo
Wrong email address or username
Wrong email address or username
Incorrect verification code

Are the Planets Inhabited? - Community Reviews back

by E. Walter (Edward Walter) Maunder
sort by language
M's blog.
M's blog. rated it 10 years ago
1912 was quite a great year for astronomy, in my opinion. Physicists William F. Schulz and Jakob Kunz make their first astronomical observations using a sensitive alkali hydride photoelectric cell instead of selenium cells. They observed the star Capella. Not really monumental compare to other event...
Need help?