Within a billion years, NASA’s Voyager 1 probe will reach the opposite side of the Milky…
Etiqueta: billion
The world’s oldest crystals reveal that Earth had rain and oceans 4 billion years ago
The world’s oldest crystals show evidence of exposure to fresh and salt water during their formation,…
A new Earth-sized planet has been discovered orbiting a star that will live for 100 billion years
An international team has discovered an Earth-sized planet orbiting a long-lived red dwarf, providing a unique…