Astronomers have discovered a five-planet exoplanet system around an 11-billion-year-old star in our galaxy.
Citizen scientists are exploring exoplanets’ birthplaces, classifying more than 1 million infrared sources and finding 37 disk candidates (so far) for follow-up study.
The Esquel meteorite is a fine example of a pallasite, a meteorite that consists of gem-quality olivine embedded within an iron-nickel matrix. Natural History Museum, London.
Research shows that the magnetic fields in the asteroid parent bodies of two meteorites lasted hundreds of millions of years after our solar system’s formation.
Once the Rosetta spacecraft arrived at Comet 67P/Churyumov-Gerasimenko last August, European scientists used an array of instruments to assess every nook and cranny of the remarkable two-lobed nucleus.
A waxing gibbous Moon climbs above Orion in the weekend evenings, and Jupiter approaches opposition (February 6th). Expect beautiful views of Jupiter at its biggest throughout February.
Has Comet Q2 Lovejoy stoked you to see more of these celestial travelers? We look into the crystal ball to see what’s coming in 2015.
Sky & Telescope‘s year-at-a-glance guide to celestial happenings is a symphony of detailed calculations and clear, elegant design.