- How to find and observe NGC663 (TOTS#4) (eyesonthesky.com)
NGC 663 is an open cluster within our own Milky Way galaxy. It is over 6,800 light years from Earth, so the photons from it reaching your eye in a telescope left that cluster about the time circular ditches - such as the Goseck Circle - were being dug as solar observatories in the 5th millenium BCE. NGC 663 is stil considered a young open cluster, with an estimated age around 20 million years. Here is how to locate it.
- Duck and Cover (1080p) (Remastered) (youtube.com)
“Duck and Cover” is a Civil Defense film, demonstrating the “Duck and Cover” technique of minimizing harm from a nuclear blast. The techniques have been widely ridiculed, although experts still support them. Some critics believe the film was meant to serve a dual purpose of propagandizing against communism.
- Duck and Cover (film) (Wikipedia)
Duck and Cover is a 1951 American civil defense animated and live action social guidance film that is often mischaracterized as propaganda. It has similar themes to the more adult-oriented civil defense training films. It was widely distributed to United States schoolchildren in the 1950s, and teaches students what to do in the event of a nuclear explosion.