This Google Maps image captured in 2021 revealed a mysterious, triangular dark patch in the middle of the Pacific Ocean, ...
Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project will stream live telescope views of all six of the planets in marching order.
If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?