A Hubble Space Telescope study of massive galaxies two to three billion years after the Big Bang has uncovered two remarkable results that
challenge the common lore that major mergers play a dominant role in growing galaxies over a wide range of cosmic epochs. Graduate student Tim Weinzirl and associate professor Shardha Jogee recently presented these findings a meeting of the American Astronomical Society in Austin. More
January 28:The big dog trots across the southern sky on winter nights — the constellation Canis Major. It is escorted by the little dog, Canis Minor, which is to the upper left of the big dog in early evening, marked by its brightest star, Procyon.
McDonald Observatory operates an international public outreach program, including the StarDate and Universo radio programs; StarDate magazine; StarDate Online and Universo Online websites.
The big dog trots across the southern sky on winter nights — the constellation Canis Major. It is escorted by the little dog, Canis Minor, which is to the upper left of the big dog in early evening, marked by its brightest star, Procyon.