astronomynow.com

4kgLX TIL Tele Vue founder Al Nagler designed optics for visual simulators used to train astronauts in piloting the Gemini spacecraft and the Apollo Lunar Module
N7OBM TIL there’s an exoplanet with rings 200 times larger than Saturn’s.
9LoG TIL that due to incredibly high pressure on Uranus and Neptune, it is theorized that oceans of liquid diamond exist on the surface of the planet, with solid “diamond-bergs” floating on the surface