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Showing posts with label Mars. Show all posts
Showing posts with label Mars. Show all posts

Saturday, April 24, 2021

Ingenuity Makes Flight and Engineering History

 


NASA's Ingenuity, a small robotic helicopter, made its first flight on Mars on 19 April, 2021. It took off vertically, hovered and landed successfully. Though it was airborne for less than one minute, the drone represents a significant engineering feat.

Getting airborne on the Mars is not easy due to the thin atmosphere. The helicopter was built of extremely light materials and the blades were set to rotate at over 2,500 revolutions per minute.

This flight demonstrated how oxygen (O₂) can be made from Mars' carbon dioxide (CO₂) atmosphere. A device called Moxie was able to generate 5g of O₂ - a sufficient amount of oygen for an astronaut on to breathe for 10 minutes.

Ingenuity has two cameras. A black-and-white camera points down to the ground and is used for navigation. A high-resolution colour camera looks out to the horizon.

The rotorcraft was taken to Mars in Nasa's Perseverance Rover, which touched down in Jezero Crater in February.




Confirmation of the successful first flight came via a Mars satellite which relayed the helicopter's data back to Earth.

Ingenuity made its second flight on Mars 22 April, expanding its flight operations as NASA considers more ambitious tests in the days ahead.




Wednesday, March 22, 2017

Mars Rover Curiosity


Curiosity's broken wheel
Credit: NASA


NASA's newest Mars rover, Curiosity, is beginning to show wear and breakage on its solid aluminum wheels. Curiosity had driven 9.9 miles (16 kilometers) on Mars since its August 2012 landing. The rover is currently exploring a region known as Vera Rubin Ridge on a mountain known as Mount Sharp. Read more here.


Some History about the Mars Rovers

NASA had a huge database of information about Mars because of the rovers that have landed there to explore and take samples of the air, dirt and rocks. The rovers send images and climate reports back to NASA headquarters. At the moment, NASA has more data about Mars than it has about planet Earth.

Mariner 4 arrived at Mars on July 14, 1965 and passed within 6,118 miles of the planet's surface. It provided 22 close-up photos showing the red planet's cratered surface. The thin atmosphere was confirmed to be composed of carbon dioxide and a small magnetic field was detected.

Mariner 9 arrived at Mars on November 3, 1971 and was the first US spacecraft to enter an orbit around a planet other than Earth. A huge dust storm was in progress when Mariner 9 arrived at Mars and this delayed many of the scientific experiments. Mariner returned the first hi-resolution images of the moons Phobos and Deimos and confirmed river and channel like features.

The Mars Pathfinder delivered a stationary lander and a surface rover to the Red Planet on July 4, 1997. The six-wheel rover, named Sojourner, explored the area near the lander. The mission's primary objective was to demonstrate the feasibility of low-cost landings on the Martian surface.

The Phoenix Mars Lander landed on Mars on May 25, 2008. Phoenix was designed to study the history of water and habitability potential in the Martian arctic’s ice-rich soil. The solar-powered lander completed its three-month mission and kept working until sunlight waned two months later. The mission was officially ended in May 2010.

Read more about missions to Mars here