In Pathfinders to Mars, sequel to Pathfinders in Space, Conway Henderson (Flood) consents to pilot a new interstellar rocket. Young Geoffrey Wedgewood will be one of the crew and Henderson's niece, Margaret (Hester Cameron) - due for a holiday with her uncle - persuades him to take her, too. Meanwhile the place of Professor Dyson is taken by an unidentified man believed by Wedgewood and the rocket crew to be Dyson. The imposter, Harcourt Brown (George Coulouris), sabotages the rocket's radio receiver so that Henderson and the rest don't discover his real identity. Working for the mysterious "Sector Ten" Brown manages to take control of the rocket and hold Margaret as hostage.
Runtime: 30 minutes
Pathfinders to Mars - Mars rover - Netflix
A Mars rover is an automated motor vehicle that propels itself across the surface of the planet Mars upon arrival. Rovers have several advantages over stationary landers: they examine more territory, and they can be directed to interesting features, they can place themselves in sunny positions to weather winter months, and they can advance the knowledge of how to perform very remote robotic vehicle control. There have been four successful robotically operated Mars rovers. The Jet Propulsion Laboratory managed the Mars Pathfinder mission and its now inactive Sojourner rover. It currently manages the Mars Exploration Rover mission's active Opportunity rover and inactive Spirit, and, as part of the Mars Science Laboratory mission, the Curiosity rover. On January 24, 2016 NASA reported that current studies on Mars by the Curiosity and Opportunity rovers will now be searching for evidence of ancient life, including a biosphere based on autotrophic, chemotrophic, and/or chemolithoautotrophic microorganisms, as well as ancient water, including fluvio-lacustrine environments (plains related to ancient rivers or lakes) that may have been habitable. The search for evidence of habitability, taphonomy (related to fossils), and organic carbon on Mars is now a primary NASA objective. Mars 2, Mars 3, Beagle 2 were all physically tethered probes, Sojourner was dependent on Mars Pathfinder base station for communication with Earth, while MER-A & B, Curiosity, were on their own. Of these MER-B and Curiosity are still active, and MER-A and Sojourner completed their missions before losing contact in 2010 and 1997 respectively.
Pathfinders to Mars - Missions - Netflix
Mars 2, Prop-M rover, 1971, Mars 2 landing failed taking Prop-M with it. The Mars 2 and 3 spacecraft from the USSR had identical 4.5 kg Prop-M rovers. They were to move on skis while connected to the landers with cables. Mars 3, Prop-M rover, 1971, lost when Mars 3 lander stopped communicating about 20 seconds after landing. Sojourner rover, Mars Pathfinder, landed successfully on July 4, 1997. Communications were lost on September 27, 1997. Beagle 2, Planetary Undersurface Tool, lost with Beagle 2 on deployment from Mars Express in 2003. A compressed spring mechanism was designed to allow movement across the surface at a rate of 1 cm per 5 seconds and to burrow into the ground and collect a subsurface sample in a cavity in its tip. Spirit (MER-A), Mars Exploration Rover, launched on June 10, 2003 at 13:58:47 EDT and landed successfully on January 4, 2004. Nearly 6 years after the original mission limit, Spirit had covered a total distance of 7.73 km (4.80 mi) but its wheels became trapped in sand. Around January 26, 2010, NASA conceded defeat in its efforts to free the rover and stated that it would now function as a stationary science platform. The last communication received from the rover was on March 22, 2010, and NASA ceased attempts to re-establish communication on May 25, 2011. Opportunity (MER-B), Mars Exploration Rover, launched on July 7, 2003 at 23:18:15 EDT and landed successfully on January 25, 2004. Opportunity surpassed the previous record for longevity of a surface mission to Mars as of May 20, 2010 and surpassed the previous record for distance traveled off-Earth as of July 28, 2014 by covering a total distance of 40.25 km (25.01 mi). Opportunity is still operational and mobile as of June 30, 2018. Curiosity, Mars Science Laboratory (MSL), by NASA, was launched November 26, 2011 at 10:02 EST and landed in the Aeolis Palus plain near Aeolis Mons (informally “Mount Sharp”) in Gale Crater on August 6, 2012, 05:31 UTC. The Curiosity rover is still operational as of June 30, 2018.
Seven rovers have been dispatched to Mars:
Pathfinders to Mars - References - Netflix