With its helical appearance resembling a snail's shell, this reflection nebula seems to spiral out from a luminous central star in this new NASA/ESA Hubble Space Telescope image.
Venus is covered by a dense layer of clouds which does not display any noteworthy characteristic. However, when looked in the ultraviolet wavelength, it presents conspicuous dark structures.
NASA astronauts Terry Virts and Barry Wilmore ended their spacewalk at 12:30 p.m. EST with the repressurization of the Quest airlock.
In space Samantha Cristoforetti honors Leonard Nimoy/Spock by continuing the Vulcan science officer tradition on ISS. Imagery by Michael Okuda.
Outside the International Space Station, Expedition 42 Commander Barry Wilmore and Flight Engineer Terry Virts of NASA conducted their third spacewalk in eight days March 1 to install antennas and communications gear that will be used to provide rendezvous and navigational information to visiting vehicles approaching the complex in the future, including the new U.S. commercial crew vehicles.
In space Samantha Cristoforetti honors Leonard Nimoy/Spock by continuing the Vulcan science officer tradition on ISS. Imagery by Michael Okuda.
