from stars and constellations to bright planets, the moon, and sometimes special events like meteor showers. Observing the night sky can be done with no special equipment, although a sky map can ...

A novel LEO constellation design uses grouped satellites and swarm optimization to achieve precise Earth observation, ...

Interoperable multipath hemispherical map (MHM) using overlap-frequency signals across constellations. The top panel shows the flowchart for modelling and correcting multipath in interoperable MHM.

There may be trillions of other planets in our galaxy ... pulled all of that data and compiled it into a short animated map and timeline called "4000 Exoplanets," shown below.