Astronomers have mapped Orion in 3D to understand the origin of the large arc of Barnard’s Loop — and you can interact with the 3D image! The post Supernovae Swept Out Barnard's Loop in Orion appeared first on Sky & Telescope.
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Wildfire Threatens Kitt Peak National Observatory
The Contreras wildfire has been threatening the historic Kitt Peak National Observatory in southern Arizona. The post Wildfire Threatens Kitt Peak National Observatory appeared first on Sky & Telescope.
Read MoreWhat we know about Light Pollution – and What We Don’t
The International Dark-Sky Association’s has summarized more than 300 peer-reviewed studies on the effects of artificial light at night in an effort to help dark-sky advocates. The post What we know about Light Pollution – and What We Don’t appeared first on Sky & Telescope.
Read MoreSolar System Gets its Ducks in a Row
We’ll have not one but many opportunities to enjoy a rare lineup of the bright planets over the next few weeks. Amazingly, they’ll be aligned in order of their distance from the Sun. The post Solar System Gets its Ducks in a Row appeared first on Sky & Telescope.
Read MoreThis Week’s Sky at a Glance, June 17 – 25
The five naked-eye planets form a diagonal line in the dawn this week — in order of their distance from the Sun, no less. And the waning Moon visits each one in turn, day by day. The planetless evening sky features the Big Dipper hanging down, the Little Dipper floating up, Leo walking away, and the two brightest summer stars nearly straddling the zenith. The post This Week's Sky at a Glance, June 17 – 25 appeared first on Sky & Telescope.
Read MoreA Strange White Dwarf with a Chaotic Past
New observations show that both rocky and icy worlds fell onto a white dwarf, indicating past orbital chaos in the system. The post A Strange White Dwarf with a Chaotic Past appeared first on Sky & Telescope.
Read MoreLife and Death in Nearby Galaxies
New images of nearby galaxies and their surroundings reveal details in galactic formation and evolution — and puzzles that remain to be solved. The post Life and Death in Nearby Galaxies appeared first on Sky & Telescope.
Read MoreHave We Found the First Rogue Black Hole in the Milky Way?
Hubble observations have revealed a stellar-mass compact object — a black hole or possibly a neutron star — wandering our galaxy. The post Have We Found the First Rogue Black Hole in the Milky Way? appeared first on Sky & Telescope.
Read MoreThe Gaia Revolution: New Data and Strange Stars
Astronomers will use the newest data release from the Gaia mission to explore stellar tsunamis, Milky Way history, and more. The post The Gaia Revolution: New Data and Strange Stars appeared first on Sky & Telescope.
Read MoreNewest Starlink Satellites Have Gotten Brighter Again
Changes to the design of Starlink satellite spacecraft have made them brighter again, though still dimmer than the original design. The post Newest Starlink Satellites Have Gotten Brighter Again appeared first on Sky & Telescope.
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