An ALMA submillimeter-wavelength image unveils the dawn of planet formation around a surprisingly young star in unprecedented detail.
Days from now, the Philae lander will drop onto Comet 67P/Churyumov-Gerasimenko. In the meantime, the “mother ship” Rosetta is watching the icy nucleus – and smelling the mix of gases escaping from it.
An 8-day flight involving a swing around the Moon ended successfully when a capsule landed safely on Earth. The test flight was a dress rehearsal for a future mission to bring back lunar samples.
The University of Hawai’i, in partnership with the University of Arizona and Lockheed Martin, will sustain operations of the UKIRT infrared telescope.
The Moon, just past full, rises at dusk tonight and later every day, gradually clearing evenings for deep-sky observing. Later in the week, Jupiter accompanies the waning gibbous Moon at dawn.
Rich in history, the Leonid meteor shower returns this month to light the frosty nights.
As the evening sky wheels around in late autumn, a mythic drama plays out in the stars above. Taking center stage, almost directly overhead at nightfall, is Cassiopeia, Queen of Ethiopia.
The appropriately named Stella Kafka will be the newest in a series of esteemed directors of the American Association of Variable Star Observers.