Earth is our one and only home. But, is it possible for humanity to leave its home and visit other stars (or other stars that have planets, actually) in the future?
Category Archives: Space Exploration
Pale Blue Dot
The farthest spacecraft from Earth, NASA’s Voyager 1 (see notes 1) probe took a photo of planet Earth on February 14, 1990, from a record distance of about 6 billion kilometers (3.7 billion miles, 40 AU (see notes 2) from Earth. The photo is known as the Pale Blue Dot. In the photograph, Earth is …