Seven Earth-sized planets have been observed sejak NASA's Spitzer angkasa Telescope around a tiny, nearby, ultra-cool dwarf bintang called TRAPPIST-1. Three of these planets are firmly in the habitable zone.
30 years ago, scientist Carl Sagan asked NASA’s Voyager 1 to capture an iconic portrait of our world. This humbling view of Earth from 6.4 billion km away is known as the “Pale Blue Dot.”
