Astronomy




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How do a bunch of Earth scientists celebrate Earth Day? The researchers and other staff at the Space Science and Engineering Center (SSEC) and the Cooperative Institute for Meteorological Satellite Studies (CIMSS) located at the University of Wisconsin–Madison arguably celebrate Earth Day every day by constantly advancing our knowledge of global […]

Earth Day, every day




Planetary nebula NGC 2818, a gaseous shroud of a dying, sun-like star in the southern constellation Pyxis.
Putting telescopes and astronomical instruments in space has long been a UW-Madison specialty. Since at least the early 1960s, when the late Wisconsin astronomer Arthur D. Code devised a cigar-box sized photometer for the X-15, the first rocket-powered plane to soar briefly in space, UW-Madison has been developing hardware – […]

Hubble and beyond






Pluto from New Horizons
For nearly 10 years, the New Horizons spacecraft has been charging through space – the fastest spacecraft ever launched – on track to reach the icy outer edge of our solar system. The Kuiper Belt, as this area is known, is full of objects from icy boulder-sized rocks to dwarf planets […]

New Horizons takes a portrait of Pluto