Apollo 13 was the 3rd attempt to land humans on the Moon and the 1st to fail. Fifty-six hours into the mission, an explosion forced the crew to abort their Moon landing and take shelter in the Lunar Module. The crew ultimately returned to Earth safely.
The current GOES-East and GOES-West have been faithfully providing continuous imagery and data on Earth and space weather for almost a decade. So, with the launch of the first of the next generation of GOES satellites, GOES-R, what is NOAA trying to accomplish?
Martian gullies were in the spotlight last week thanks to a NASA press release stating they were "likely not formed by liquid water" based on spectral results. But how does this stack up against their morphology?