Voyager 1. Launched from Earth in 1977, traveling the cold dead darkness of Space, still working and sending back data as it is about to leave our solar system. Why can’t anyone build a car this reliable?!
The Remarkable Beatrice Tinsley - You may not know the name, but Beatrice Tinsley pioneered our understanding of galaxy evolution. Dr Meghan Gray, an astronomer working in the same field, pays tribute. We've uploaded this video to mark "Ada Lovelace Day" - a celebration of women in science.
Green Flash and Belt of Venus - Deep Sky Videos: You may not realize it but if you happen to be looking east at sunset, it's possible you're seeing the Belt Of Venus. This short video gives a good explanation of both the Green Flash and the Belt Of Venus.