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.
Mars rover is a motor vehicle that was designed and built by NASA scientists. It was operated by robots and launched into Mars. Till now five Mars rovers have been launched: 1. In 1971, the first one named Mars 2, Prop M rover was launched into Mars but it failed. 2. After that Mars 3, Prop M rover was launched but that device also failed. 3. On 4th July 1997, the third Mars rover-Sojourner rover landed successfully on Mars and until 27th September 1997 it was able to maintain communications with NASA. 4. On 4th January 2004, Spirit (MER-A), Mars Exploration Rover was launched successfully. There has been no communication from the rover since 22nd March 2010. 5. On 25th January 2004, the fifth rover named Opportunity (MER-B), Mars Exploration Rover, made it to Mars successfully and is still operating.