July 4, 1997: Sojourner Arrives on the Red Planet

July 4, 1997: Sojourner Arrives on the Red Planet

From NASA History

July 1, 2020

July 4, 1997: Sojourner Arrives on the Red Planet

Hitching a ride on the Mars Pathfinder mission, the Sojourner rover arrived at the Red Planet on July 4, 1997. The mission was designed to demonstrate a low-cost method for delivering a set of science instruments to Mars, and served as the foundation for the Mars rovers of today.

Pathfinder landed the rover using an air bag landing system and innovative petal design, which have been used since in various incarnations to land other rovers on the Red Planet. Sojourner spent 83 days of a planned seven-day mission exploring the Martian terrain, snapping photographs and taking chemical, atmospheric and other measurements.

The lander, formally named the Carl Sagan Memorial Station following its successful touchdown, and the rover, named after civil rights pioneer Sojourner Truth, both outlived their design lives — the lander by nearly three times, and the rover by 12 times. Mars Pathfinder returned 2.3 billion bits of information, including more than 16,500 images from the lander and 550 images from the rover, as well as more than 15 chemical analyses of rocks and soil and extensive data on winds and other weather factors.

This panoramic view of Pathfinder’s Ares Vallis landing site shows Sojourner rover is the distance. The Mars Pathfinder mission completed the last successful data transmission cycle at 6:23 a.m. EDT on Sept. 27, 1997.

Image Credit: NASA/JPL

Last Updated: July 2, 2020

Editor: Yvette Smith

Like this:

Like Loading…


via Watts Up With That?


July 4, 2020 at 04:22AM

Author: uwe.roland.gross

Don`t worry there is no significant man- made global warming. The global warming scare is not driven by science but driven by politics. Al Gore and the UN are dead wrong on climate fears. The IPCC process is a perversion of science.