Weekly Digest Jan. 31, 2014

search for lifeSearching for Life in Our Solar System - Video
SETI Institute Researcher Alfonso Davila proposes an alternative strategy to how we search for life in the Solar System.

Jupiter soundsThe Pest of Us
Picture a cockroach skittering across your kitchen. Eeww! Now imagine it served as an entree at your local restaurant. There's good reason these diminutive arthropods give us the willies – but they may also be the key to protein-rich meals of the future. Get ready for cricket casserole, as our relationship to bugs is about to change.

Jupiter soundsSounds of Jupiter
Here is a treat! Click through to hear the sounds of Jupiter, captured by Voyager. (Image Credit: NASA)

black holeStephen Hawking says there are no black holes
Stephen Hawking says there are no black holes. (At least, not as we've defined them.)
"The absence of event horizons mean that there are no black holes — in the sense of regimes from which light can't escape to infinity," writes Hawking, in a new paper. In other words, the notion that black holes have an event horizon, which prevents anything from escaping ever, is wrong.

mars roverBreathaking Panoramas and Mosaics From Opportunit's Decade on Mars
Rover tracks disappear toward the horizon like the wake of a ship between the craters Endurance and Victoria on the Meridiani Plains. Opportunity took the image while stuck in the sand ripple dubbed Purgatory for over a month. This panorama (only partly shown here) was named Rub Al Khali after the "Empty Quarter" in the Arabian Desert.

recognizing etRecognizing Extraterrestrial Intelligence --"There Could be Life and Intelligence Out There in Forms We Can't Conceive"
This new Hubble image is the best-ever view of a cosmic creepy-crawly known as the Tarantula Nebula, a region full of star clusters, glowing gas, and dark dust.

WISEMajestic Sombrero Galaxy
This snap shows the Majestic Sombrero Galaxy. A brilliant white core is encircled by thick dust lanes in this spiral galaxy, seen edge-on in this view. The galaxy is 50,000 light-years across and 28 million light years from Earth. Credit: NASA and The Hubble Heritage Team (STScI/AURA)