NASA Solar Sail Mission to Chase Tiny Asteroid After Artemis I Launch

NEA Scout is composed of a small, shoebox-sized CubeSat (top left) and a thin, aluminum-coated solar sail about the size of a racquetball court (bottom left). After the spacecraft launches aboard Artemis I, the sail will use sunlight to propel the CubeSat to a small asteroid (as depicted in an illustration, right). Credit: NASA NEA […]

Asteroids full of life…

According to the panspermia hypothesis, microscopic life—distributed by meteoroids, asteroids and other small Solar System bodies—may exist throughout the universe. Of the bodies on which life is possible, living organisms could most easily enter the other bodies of the Solar System from Enceladus.