|  ESA | |
| | Rosetta comet lander falls asleep foreverMission managers have given up on Philae, which tumbled during its descent to Comet 67P and landed in shadow. Scientists still managed to accomplish 80 percent of its designed mission activities. |
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|  University of Hawaii | |
| | Astronomers chase source of LIGO's gravitational waveThe Laser Interferometer Gravitational-wave Observatory made history on September 15 by spotting the first-ever ripple in spacetime. But where did it come from? |
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|  X-ray: NASA/CXC/ISAS/A.Simionescu et al, Optical: DSS | |
| | Big Bang's glow shows off distant black hole jetThe light detected from this jet was emitted when the universe was only 2.7 billion years old, a fifth of its present age. |
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|  ESA/Hubble, M. Kornmesser | |
| | First detection of super-Earth atmosphereThe exoplanet 55 Cancri e has a dry atmosphere without any indications of water vapor. |
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| | SEASONAL OBSERVINGWinter observing targets for large telescopesTargets include the Little Dumbbell Nebula, Galaxy IC 10, The Double Cluster (NGC 869 and NGC 884), California Nebula, and more! |
| | THE REAL REALITY SHOWAll about the Drake EquationTo estimate the number of civilizations in the Milky Way, one astronomer took on a mathematical challenge. |
| | | March IssueThe Race to Cosmic Dawn, and more!This month’s issue of Astronomy covers the race to find evidence of cosmic inflation, tells the story of how Pluto got its name, looks at 25 tips to plan for the 2017 USA solar eclipse, explains how oxygen colors the universe’s life, and much more. |
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| | LOCAL GROUPHow LISA Pathfinder will learn to “hear” the universeESA hopes its LISA Pathfinder mission will teach scientists how to observe the universe outside the electromagnetic spectrum. |
|  | LOCAL GROUPQ&A with Nobel Prize winner Joseph TaylorLearn about gravitational waves in this interview with Joseph Taylor, who discovered gravitational radiation in 1978 and won physics' top prize 15 years later. |
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|  | Observing PodcastFebruary 18 – 25 |
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| February sky highlightsFive bright planets adorn morning during the first half of February. Jupiter, Mars, Saturn, Venus, and Mercury stretch from west to east across the sky an hour before sunrise.
Astronomy magazine subscribers have access to the complete version of February’s The Sky this Month at Astronomy.com. To learn about other daily sky events, visit The Sky this Week. |
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| | PICTURE OF THE DAYThe Milky Way above American lotus flowersSteven Russell Smith from Cambridge, Ohio, snapped this image of our home galaxy framed behind a colorful lake. |
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| | GALAXIESCentaurus ADan Crowson from Dardenne Prairie, Missouri took this image of the peculiar galaxy Centaurus A. |
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| | PLANETS GALLERYSix planet arrayUser mborman squeezed six planets (including Earth) into this image taken from his backyard in Evansville, Indiana. |
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| | Send us your astronomy questionsPerplexed by planets? Confused by cosmology? Baffled by black holes? Then send in your questions. If you have an astronomy question about observing, equipment, the planets, stars, cosmology, or astronomy history, send it in! Astronomy magazine editors select five questions each month for publication in the Ask Astro section of the magazine. If your question is selected, we will forward it to an expert for a response. Then, the question and answer will appear together in a future issue. We may edit or revise your question for clarity. |
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| | For questions about new or existing subscriptions, magazine delivery, or to make an address change or purchase products, contact our Customer Service Department at 800-533-6644. |
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