Image of the Day
Rocket Test Forms Blue Glass
Tuesday, June 28, 2016: The test-firing of a booster for NASA’s Space Launch System megarocket in March 2015 turned sand on the ground to glass, as this photo shows. A similar test will take place at 10:05 a.m. EDT (1405 GMT) on June 28, 2016; you can watch it live here at Space.com.
— Mike Wall
Galileo Meets Ganymede
Credit: USGS Astrogeology Science Center/Wheaton/NASA/JPL-Caltech
Monday, June 27, 2016: Twenty years ago today, on June 27, 1996, the Galileo spacecraft (the first space probe to orbit Jupiter) made its first close flyby of the moon Ganymede. This image was created in 2014using data from Galileo, as well as the Voyager probes, and shows the geologic detail of the moon’s surface.
— Calla Cofield
Winter on Mars
Credit: NASA/JPL/University of Arizona
Friday, June 24, 2016: It’s late winter in Mars’ southern hemisphere, so the carbon-dioxide coating crystallized on its sand dune surface has begun to defrost. The dark spots form from the escape of pressurized carbon dioxide gas. The image was taken by NASA’s Mars Reconnaissance Orbiter‘s High Resolution Imaging Science Experiment (HiRISE) camera March 27, 2016, at 15:31 local Mars time. — Sarah Lewin
Thursday, June 23, 2016:NASA astronaut Jeff Williams captured several photos on April 25 that went into this composite view of sunset reflecting off of Earth’s ocean. Williams is now commander of the International Space Station; he took command just before the departure of American astronaut Tim Kopra, British astronaut Tim Peake and Russian cosmonaut Yuri Malenchenko Saturday, June 18. Three new crewmembers will arrive in July, bringing the complement aboard the station back up to six. — Sarah Lewin
Strawberry Moon of 2016
Credit: Grant Johnson
Tuesday, June 22, 2016: The June full moon is sometimes known as the “Strawberry Moon.” This series of images was taken on June 20, 2016, from Duluth, Minnesota’s Park Point beach by space photographer Grant Johnson. The Superior Entry Lighthouse can be seen in the foreground. The “Strawberry Moon” of 2016 fell on the summer solstice, a coincidence that last occurred in 1948.
— Calla Cofield