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.
Length of time to get to Mars: 228, or 7.5 months. Mariner 9 (1971) The Mariner 9 (which is in the same mission series as the Mariner 4) was the first ever spacecraft to not only orbit Mars, but to orbit a planet. It reached Mars in 1971 with the intent to get into Marsâ orbit and study the surface.