When did the Sun Blow Away the Solar Nebula?

King Louis XIV of France covered his telescope’s objective lens with a piece of smoked glass to view the solar eclipse. This method remained popular for a couple hundred years until the 1930s when products such as the Eclipse-o-scope became available

I captured a solar prominence evaporating on the sun over 45 minutes using a specially modified telescope.

Snooping on Alien Messages Passing Through the Solar System