We have the transit method to thank for the large majority of the exoplanets we’ve discovered. When an exoplanet transits its star, the dip in starlight tells astronomers that a planet is present. Analyzing the light can tell them about the planet’s size and atmospheric properties. However, a star’s surface isn’t always uniformly heated. There … Read more
Astronomers are expressing disappointment and alarm as the federally-funded Rubin Observatory altered the biography of renowned astronomer Vera Rubin, for whom the facility is named, on its website. The amended version curtails her legacy of championing women in science and removes all mentions of the observatory’s efforts to reduce barriers for women and other historically … Read more
As the use of space accelerates, so too does the risk of orbital debris — a pressing threat to communications, navigation and other technologies underpinning life on Earth. An estimated 131 million pieces of satellites and rockets larger than a millimeter are currently in orbit, traveling at speeds of up to 28,100 kilometers per hour. … Read more