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Archive for the Mars Explorers category

July 28, 2020

Atlas V Mars 2020 Mission Profile

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ULA dicit:

A United Launch Alliance Atlas V 541 rocket will launch NASA’s Perseverance rover to Mars. The spacecraft will explore the Jezero Crater to study the planet’s habitability, seek signs of past microbial life, collect and store samples of selected rock and soil and prepare for future human missions. The rover also carries the Ingenuity helicopter, a technology demonstration to prove that powered flight can be achieved at Mars.

Video credit: United Launch Alliance

 

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July 27, 2020

Getting Perseverance Ready for Travel

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NASA dicit:

In February 2020, NASA’s Perseverance Rover began its long journey to Mars by first traveling across the United States. The rover was built at NASA’s Jet Propulsion Laboratory in Southern California and then carefully packed and flown to NASA’s Kennedy Space Center in Cape Canaveral, Florida. There, engineers integrated the rover with the spacecraft that carries it to Mars, and the Atlas V rocket chosen to send it on its way.

Video credit: NASA Jet Propulsion Laboratory

 

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July 3, 2020

Sky Crane

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Wikipedia dicit:

The sky crane system lowers the rover with a 7.6 m (25 ft) tether to a soft landing—wheels down—on the surface of Mars. This system consists of a bridle lowering the rover on three nylon tethers and an electrical cable carrying information and power between the descent stage and rover. As the support and data cables unreel, the rover’s six motorized wheels snap into position. At roughly 7.5 m (25 ft) below the descent stage the sky crane system slows to a halt and the rover touches down. After the rover touches down, it waits two seconds to confirm that it is on solid ground by detecting the weight on the wheels and fires several pyros (small explosive devices) activating cable cutters on the bridle and umbilical cords to free itself from the descent stage. The descent stage then flies away to a crash landing site 650 m (2,100 ft) away.

Video credit: Aerojet Rocketdyne

 

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May 6, 2020

Ingenuity

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Wikipedia dicit:

Ingenuity (also known as the Mars Helicopter) is a robotic helicopter that is planned to be used to test the technology to scout interesting targets on Mars, and help plan the best driving route for future Mars rovers. The small drone helicopter is planned for deployment in 2021 from the Perseverance rover as part of the Mars 2020 mission. It is expected to fly up to five times during its 30-day test campaign, early in the rover’s mission, as it is primarily a technology demonstration. Each flight is planned to take no more than three minutes, at altitudes ranging from 3 to 10 m above the ground. It could potentially cover a distance of up to 300 metres (980 ft) per flight. It can use autonomous control and communicate with the Perseverance rover directly after each landing. If it works as expected, NASA could build on the design for future Mars aerial missions.

Video credit: NASA/JPL-Caltech

 

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March 17, 2020

Robotic Bees

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NASA dicit:

Bee-lieve it or not NASA could send a swarm of robot bees to the Red Planet. Researchers are taking inspiration from the insect world to develop Marsbee, a bold new idea that could enhance the exploration of Mars.

This is a research study within the NASA Innovative Advanced Concepts (NIAC) program. NIAC is a visionary and far-reaching aerospace program, one that has the potential to create breakthrough technologies for possible future space missions. However, such early stage technology developments may never become actual NASA missions.

Video credit: NASA

 

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February 12, 2020

MAVEN Investigates Ionosphere on Mars

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Wikipedia dicit:

NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft has discovered “layers” and “rifts” in the electrically charged part of the upper atmosphere (the ionosphere) of Mars. The phenomenon is very common at Earth and causes unpredictable disruptions to radio communications. However, we do not fully understand them because they form at altitudes that are very difficult to explore at Earth. The unexpected discovery by MAVEN shows that Mars is a unique laboratory to explore and better understand this highly disruptive phenomenon.

Video credit: NASA’s Goddard Space Flight Center/James Tralie (ADNET): Lead Producer, Lead Editor, Narrator/Bailee DesRocher (USRA): Lead Animator/Michael Lentz (USRA): Art Director/Jonathan North (USRA): Animator/Krystofer Kim (USRA): Animator/Jacquelyn DeMink (USRA): Animator/Bruce Jakosky (LASP): Scientist/Glyn Collinson (Catholic University of America): Scientist/Aaron E. Lepsch (ADNET): Technical Support

 

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