On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than images from ground-based telescopes. In August of that year, Hubble made one of ...
On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space for $10 billion. A month later, it reached its goal in solar orbit at a ...
Every second, more than 3,000 stars are born in the visible universe. Many are surrounded by what astronomers call a protoplanetary disk – a swirling ...