Space on MSN3d
2 newly found exoplanets reignite an outstanding question about our solar system
Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...
Hosted on MSN5mon
Galileo to ACS3: How NASA’s solar sails could change future space travel
On April 23, NASA’s Advanced Composite Solar Sail System, or ACS3 ... “In 1608, he wrote a letter to his friend Galileo Galilei: ‘Provide ships or sails adapted to the heavenly breezes ...
Hosted on MSN23d
Scientists Find Strongest Evidence Yet of a Hidden Ocean Beneath Jupiter’s Moon Callisto
potentially joining Europa and Ganymede as another water-rich world in the outer solar system. By reanalyzing data from NASA’s Galileo mission, a team of researchers successfully filtered out ...