Day: September 18, 2019

‘Snow-Cannon’ on Enceladus May Make Other Moons Shine

The plumes of the Saturn moon Enceladus, captured spewing from the moon’s surface by NASA’s Cassini spacecraft from a distance of 9,000 miles (14,000 kilometers) in 2010. One new study suggests that Enceladus’ geysers act like a “snow-cannon” and makes Saturn’s inner moons more reflective. (Image: © NASA/JPL-Caltech) Enceladus seems to be acting like a…

Review: Fire in the Sky

  by Jeff FoustMonday, September 16, 2019 Fire in the Sky: Cosmic Collisions, Killer Asteroids, and the Race to Defend Earth by Gordon L. Dillow Scribner, 2019 hardcover, 288 pp., illus. ISBN 978-1-5011-8774-2 US$27.00 Hardly a week goes by without some kind of story about an asteroid making a close approach—relatively speaking—to the Earth. While…

Could we intercept interstellar comet C/2019 Q4 Borisov?

Artist’s impression of the first interstellar asteroid/comet, “Oumuamua”. This unique object was discovered on Oct. 19th, 2017, by the Pan-STARRS 1 telescope in Hawaii. Credit: ESO/M. Kornmesser When ‘Oumuamua passed through our solar system two years ago, it set off a flurry of excitement in the astronomical community. Here was the first-ever interstellar object that…

The life aquatic made clear with freshwater lens

A clear liquid optical chamber (CLOC) fixed to a baited remote underwater video (BRUV) system. Credit: Swansea University A Swansea University doctoral student has found a way to view the life of plants and animals in murky waters—by using a lens of freshwater. Robyn Jones, a Ph.D. student in the College of Science has been…

NASA CubeSat will test lunar space station orbit

“CAPSTONE offers a lot in a small package,” said Bradley Cheetham, the CEO of Advance Space, in a press release. Along with configuring the orbital path, the CubeSat will test new navigation technologies, which will allow future missions to find their location without having to rely on tracking from Earth. CAPSTONE will also help the…