The latest image of Pluto captured on July 13, 2015 by New Horizons some 476,000 miles away reveals the dwarf planet’s “heart.” The photo took some 4.5 hours to transmit back to Earth 3 billion miles away, and is the most detailed image of the dwarf-planet...
Image: A composite image showing Mars and comet Siding Spring passing one another on Sunday. Credit: NASA, ESA, PSI, JHU/APL, STScI/AURA. NASA’s Hubble Telescope captured a very rare occurrence last weekend (10/19/14) as comet ‘Siding Spring’ brushed past Mars – an...