Mars 2020: Helicopter completes flight tests

PIA23155_hiresSince the Wright brothers first took to the skies of Kill Devil Hills, North Carolina, Dec. 17, 1903, first flights have been important milestones in the life of any vehicle designed for air travel… In late January 2019, all the pieces making up the flight model (actual vehicle going to the Red Planet) of NASA’s Mars Helicopter were put to the test.

Weighing in at no more than 4 pounds (1.8 kilograms), the helicopter is a technology demonstration project currently going through the rigorous verification process certifying it for Mars.

The majority of the testing the flight model is going through had to do with demonstrating how it can operate on Mars, including how it performs at Mars-like temperatures. Can the helicopter survive – and function – in cold temperatures, including nights with temperatures as low as minus 130 degrees Fahrenheit (minus 90 degrees Celsius)?

All this testing is geared towards February 2021, when the helicopter will reach the surface of the Red Planet, firmly nestled under the belly of the Mars 2020 rover. A few months later, it will be deployed and test flights (up to 90 seconds long) will begin – the first from the surface of another world.

“Gearing up for that first flight on Mars, we have logged over 75 minutes of flying time with an engineering model, which was a close approximation of our helicopter,” said MiMi Aung, project manager for the Mars Helicopter at NASA’s Jet Propulsion Laboratory in Pasadena, California. “But this recent test of the flight model was the real deal. This is our helicopter bound for Mars. We needed to see that it worked as advertised.” [More at link]

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HiRISE: Grjota Valles

ESP_054733_1960-2Grjotá Valles. Grjotá Valles is one of Mars’ four Amazonian-aged, fissure-headed, catastrophic flood channels. It originates at the northwestern-most Cerberus Fossa and stretches several hundred kilometers eastward and southward.

HiRISE Picture of the Day archive [More at links]

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THEMIS: Impact craters in Arabia Terra

Impact craters in Arabia Terra (THEMIS_IOTD_20190329)THEMIS Image of the Day, March 29, 2019. This false-color VIS image shows parts of several craters located in Arabia Terra. Blue tones in false color images indicated the presence of basaltic sands.

The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations of the surface not easily identified in a single band image.

Explore more THEMIS Images of the Day by geological subject.

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Curiosity update: Lots to explore in Glen Torridon

2356MH0007210010804566C00_DXXX-br2Sols 2361-62, March 28, 2019, update by MSL scientist Abigail Fraeman: We are continuing to find interesting new things in Glen Torridon. One of my favorite new images was taken this weekend (Mars sol 2356) on target “Stonebriggs” (pictured). We’ve seen round and smooth clasts before, but this area really stands out in how densely the clasts are packed together.

Were these pebbles rounded by water during transport over a long distance? Or are they wind polished concretions similar to what we saw back on sol 1806? Or something completely different? There is a lot to talk about within the science team!

Curiosity’s workspace today looked more typical of what we’ve been seeing over the last few weeks. In today’s plan, we will continue to drive towards an area we hope to drill. Before the drive on sol 2361, we will collect MAHLI and APXS data on a target named “Ardmillan,” followed by… [More at link]

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Mars Express: Dark dust devil tracks

Perspective_view_of_the_dust_devils_of_Chalcoporos_RupesThe winds of Mars are responsible for myriad features across the planet’s surface – including the dark dunes and wispy, filament-like streaks seen in this image from ESA’s Mars Express.

The intriguing features shown here are ‘dust devil’ tracks: as the Sun heats up the martian ground during the day, vortices form that lift warm air from near the surface, whipping up dust as they do so, shaping and sculpting it into swirling, column-shaped, tornado-like whirlwinds (click here for videos of dust devils made by NASA’s Mars rover Spirit).

These dust devils range across the entire planet, lifting the top, brighter layer of dust from the surface, and leaving darker paths in their wake. They are most often seen in the martian spring and summer, lasting for a few months at most before their tracks become obscured by dust that has been buffeted around by storms and winds.

These Mars Express images show a curving, looping, crisscrossing web of dust devil tracks in the southern hemisphere of the planet, around an escarpment feature known as Chalcoporos Rupes. This area is covered in a thick layer of dust and is not unfrequently home to wind-related activity.

Areas of Mars that most regularly see dust devils include Amazonis Planitia, Argyre Planitia, Hellas Basin, and two impact craters that lie close to the region shown here: Proctor and Russell.

Proctor, Russell, and Chalcoproros Rupes are based in Mars’ Noachis quadrangle, an area so thickly pockmarked with impact craters that it is thought to be one of the oldest parts of the planet… [More at link]

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HiRISE: A ridge on the plains

ESP_054731_1415A ridge on the plains. This ridge on rocky plains is located not to far from Daedalia Planum, a featureless plain with multiple lava flows and small craters.

HiRISE Picture of the Day archive [More at links]

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MARCI weather report, March 18-24, 2019

MARCI-March-22-2019Northern hemisphere spring arrived along with southern hemisphere autumn this past week on Mars. Southern Aonia experienced dusty conditions as repeated dust-lifting activity continued in the 60° south latitude band. Moving our attention towards the low-latitudes, a stronger presence of orographic water ice clouds was observed above the Tharsis Montes. Continuing north, a couple of frontal dust events… [More at link, including video]

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JPL: Red Planet rovers and InSights

[Ed. note: originally aired on January 10, 2019]

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THEMIS: Arabia Terra in false color

Arabia Terra in false color (THEMIS_IOTD_20190328)THEMIS Image of the Day, March 28, 2019. This false-color VIS image is located in Arabia Terra. The image cuts across an ancient, almost obliterated impact crater, whose rim can be seen at the top and bottom of the image. In between lies a mostly flat floor.

The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations of the surface not easily identified in a single band image.

Explore more THEMIS Images of the Day by geological subject.

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HiRISE: Buried by time

ESP_054728_1370Buried by time. Over time, this crater was buried by folded deposits, although we can still tell it is an impact crater. However, we can still see ridges and gullies. Are these ridges made of material that proved more resistant to those deposits?

HiRISE Picture of the Day archive [More at links]

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