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.
The Martian is set in 2015. In this timeline, NASA skipped the entire shuttle era and kept its eye firmly on other celestial bodies after the Apollo program ended. Even so The Martian as in the real world, NASA launched the Mars Pathfinder probe in late 1996, and the probe ceased transmitting data to Earth in 1997.