James Webb Validates Hubble’s Calculation of the Universe’s Expansion
Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...
Mapping 2 billion stars: How Gaia transformed our view of the Milky Way
Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, revolutionizing our knowledge of the Milky Way. Gaia made over three trillion ...