McDonald Observatory leaders and supporters, along with representatives from an international group of partner universities and research institutions, are gathering on a remote mountaintop high in the Chilean Andes today to celebrate groundbreaking for the Giant Magellan Telescope.
Howie Marion's team found the best evidence yet for the type of binary star system that leads to a Type Ia supernova, improving understanding of violent star death and the use of supernovae to trace the history of the universe's expansion.
After several years and a massive team effort, one of the world’s largest telescopes has opened its giant eye again. After a $25-million upgrade, the Hobby-Eberly Telescope now uses more of its primary mirror and has achieved 'first light' as the world’s third-largest optical telescope.
Ursa Major, the great bear, is high in the north this evening, and rotates to the northwest after midnight. Its most prominent stars form the Big Dipper. The dipper’s bowl forms the bear’s hindquarters, while the handle forms its tail.