This Week in Space #18

Astronomy Picture of the Day
Feb 24: NGC 4676: When Mice Collide . Credit: ACS Science & Engineering Team, Hubble Space Telescope, NASA
Feb 25: Dawn of the Large Hadron Collider . Credit & Copyright: Maximilien Brice, CERN
Feb 26: Mysterious Acid Haze on Venus . Credit: ESA/MPS, Katlenburg-Lindau, Germany
Feb 27: The Eagle Nebula in Hydrogen, Oxygen, and Sulfur. Credit & Copyright: IAC, Daniel Lopez
Feb 28: ISS: Sunlight to Shadow. Credit & Copyright: Till Credner, AlltheSky.com
Feb 29: Twelve Lunar Eclipses. Credit & Copyright: Tunç Tezel (TWAN)
Mar 1: Mauna Kea Shadow Play. Credit & Copyright: Alex Mukensnable

Cosmic Log by Alan Boyle
Feb 25: Meteorites spark mysteries
Feb 26: Questions answered on the Web
Feb 27: Wonder and whimsy on the Web
Feb 27: Sneak peek at the virtual universe
Feb 28: Scientific smorgasbord on the Web
Feb 28: The science of leap time

NASA Image of the Day
Feb 25: Building the New World. Image Credit: NASA
Feb 26: Timeless Beauty. Image Credit: NASA/JPL-Caltech/Harvard-Smithsonian CfA
Feb 27: The Brightest of Stars. Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration
Feb 28: Seeking the Grail. Image Credit: NASA/JPL
Feb 29: Cosmic Zoom Lens. Image Credit: NASA; ESA; L. Bradley (Johns Hopkins University); R. Bouwens (University of California, Santa Cruz); H. Ford (Johns Hopkins University); and G. Illingworth (University of California, Santa Cruz)

Sky & Telescope
Feb 25: Kids' Astronomy Essay Contest. Alan MacRobert
Feb 27: A Magnetar in Sheep's Clothing. Alan MacRobert
Feb 27: Microsoft's Virtual Observatory. Stuart Goldman
Feb 28: Of Planets and Palace Elephants. Kelly Beatty
Feb 29: S&T's Star-count Challenge! Kelly Beatty
Feb 29: Ulysses Says Goodbye. Kelly Beatty
Feb 29: This Week's Sky at a Glance. Alan MacRobert

Space.com
Feb 27: Underwater Robot Helps NASA Explore Europa. By Bill Christensen
Feb 28: How Groundwater Shaped Mars. By Dave Mosher
Feb 28: Earth's Final Sunset Predicted. By Clara Moskowitz
Feb 28: Super Stars Require Right Environment to Rise. By Dave Mosher
Feb 29: New Moon Map Is Best Ever. By Dave Mosher
Feb 29: Finding Them, Finding Us. By Seth Shostak
Feb 29: Venus Mysteries Blamed on Colossal Collision. By Dave Mosher
Feb 29: Recent Water on Mars? Not So Fast. By Dave Mosher
Feb 29: Why Stars Have Seasons. By Joe Rao
Feb 29: NASA Baffled by Unexplained Force Acting on Space Probes. By Charles Q. Choi

The Space Review
Book Review: Twilight War by Jeff Foust
John Glenn and the Flying Banana by Dwayne Day
Seven generations: a re-evaluation of the Paine Report by Alex Howerton
Satellite shootdown overcomes bureaucracy by Taylor Dinerman
Hale and farewell by Dwayne Day