The Apple App Store allows you to upload four screenshots while Google Play accepts up to eight. Make sure to use all of them. Screenshots, app promos and walkthrough videos are prime real estate in any app store description. Including compelling imagery and screenshots that sum up an app's key features can make the difference between a download and a swift tap of the X button.
Mars Pathfinder was launched on December 4, 1996, and landed on Mars seven months later, on July 4, 1997.   Launched in 1996 by NASA, Pathfinder descended to the Martian suâ¦rface in July 1997 using parachutes, rockets, and air bags. 1 person found this useful.
Spirit, also known as MER-A (Mars Exploration Rover â A) or MER-2, is a robotic rover on Mars, active from 2004 to 2010. It was one of two rovers of NASA's ongoing Mars Exploration Rover Mission. It landed successfully on Mars at 04:35 Ground UTC on January 4, 2004, three weeks before its twin, Opportunity (MER-B), landed on the other side of the planet. Its name was chosen through a NASA-sponsored student essay competition.