Tag Space & astronomy
Astronomy technique could help assess deadly melanomas
As a young graduate student with a passion for surfing, Andy Sheinis soaked up a lot of California sun. Read More
Curiosities: Why is Pluto not considered a planet?
Until 2006, astronomers had not carefully defined “planet,” says James Lattis, director of the UW Space Place. Asteroids were not considered planets because… Read More
Curiosities: Why do stars appear to twinkle in the night sky?
Courtesy European Space Agency (ESA/Hubble). Stars twinkle because we view them through our atmosphere, says James Lattis, director of University of Wisconsin–Madison… Read More
Curiosities: Why do some planets have rings?
Saturn imaged by the Cassini Orbiter. Image: courtesy Jet Propulsion Lab Planetary ring systems are complicated, notes UW Space Place… Read More
Recent sightings: Nighttime fireball
Moments before bursting in a dazzling fireball over southwestern Wisconsin, a likely meteor appears as a bright dot in the Wednesday night sky. This… Read More
Stellar mosh pit, complete with crashing stars, resolves a mystery
For almost 50 years, astronomers have puzzled over the youthful appearance of stars known as blue stragglers. Read More
Satellite anniversary marks 50 years of studying climate from space
On Oct. 13, 1959, University of Wisconsin–Madison professors Verner Suomi and Robert Parent crouched in a bunker at Cape Canaveral, sweating through the countdown for the Juno II rocket perched on its launching pad 150 yards away. Read More
Scientists hope to mimic nature’s dynamos
In the cosmos, all celestial objects - planets, stars, galaxies and clusters of galaxies - have magnetic fields. On Earth, the magnetic field of our home planet is most easily observed in a compass where the needle points north. Read More
Curiosities: How big is space?
Space is probably infinite, but we can see only the part that contains stars or galaxies whose light has been able to reach us, says… Read More
Curiosities: How many galaxies have humans discovered?
“We don’t know,” says Ed Churchwell, professor of astronomy. “We know it’s a very large number.” It’s in the hundreds of billions, Churchwell… Read More
Planet Trek offers chance to bike or walk through scaled-down solar system
Dane County residents have a new way to appreciate the solar system, thanks to Planet Trek Dane County, which offers pedestrians and bikers a chance to discover the 11 biggest objects in the solar system at the correct scale of size and distance. Read More