- Tetris® is the addictive puzzle game that started it all, embracing our universal desire to create order out of chaos. The Tetris game was created by Alexey Pajitnov in 1984—the product of Alexey’s computer programming experience and his love of puzzles. In the decades to follow, Tetris became one of the most successful and recognizable video games, appearing on nearly every gaming platform available. This page is the official destination for free online single-player Tetris. Click PLAY to start playing one of the world’s most popular puzzle games now!
- How to find and observe Eta Cas (TOTS#2) (eyesonthesky.com)
Eta Cas is a double star within our own Milky Way galaxy. It is quite close to Earth, at just 19.4 light years, so the photons reaching your eye from the star tonight are under 20 years old. What makes Eta Cassiopeiae so interesting is that the primary star is a G-class star much like our Sun. Our Sun would look similar from Eta Cas if we were peering back it it from there. It also has 97% of the mass, and is 101% of the radius of our Sun. It is much like a twin of our host star in many respects, though it is likely about a billion years older. Here is how to locate it.