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Faint Galactic Halos

A team of astronomers led by UC Santa Barbara Professor Crystal Martin and graduate student Stephanie Ho released a paper investigating how these halos interact with the rest of their galaxies. As quasar light travels through these galactic halos, the dust and gas absorb specific wavelengths of light based on its composition. The research team […]





















The Milky Way’s supermassive black hole

The Milky Way’s black hole is undoubtedly the strangest thing in our galaxy—a three-dimensional cavity in space ten times the physical size of our sun and four million times the mass, a virtual bottomless pit from which nothing escapes. Every major galaxy, it’s now believed, has a black hole at its core.


UCLA Astronomers find remains of planet collision

Two planets in orbit around a mature sun-like star recently suffered a violent collision, astronomers report. “It’s as if Earth and Venus collided with each other,” said Benjamin Zuckerman, UCLA professor of physics and astronomy and a co-author on the paper. “Astronomers have never seen anything like this before. Apparently, major catastrophic collisions can take […]





Astronomers discover first Neptune-sized planets outside our solar system

A team of astronomers has announced the discovery of some of the smallest planets yet detected beyond our solar system. The two newly discovered planets represent a new class of extrasolar planets, and their discovery is a significant advance in the quest for such objects.




First Successful Robotic Searches For Supernovae

Lick Observatory, CA Starting in the late-1980s, detailed measurements of the properties of exploding stars (supernovae) by UC astronomer Alex Filippenko were crucial to the development of methods to calibrate them. This contributed substantially to the 1998 discovery of the accelerating expansion of the Universe, probably driven by mysterious “dark energy.” Subsequent studies of supernovae, […]