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NASA’s Mars 2020 Perseverance mission resumed accustomed operations Friday afterwards algid temperatures affected the aircraft into safe approach anon afterwards a acknowledged barrage from Cape Canaveral.

“With safe approach exit, the aggregation is accepting bottomward to the business of interplanetary cruise,” said Matt Wallace, the Mars 2020 mission’s agent activity administrator at NASA’s Jet Propulsion Laboratory.

“Next stop, Jezero Crater,” he added, apropos to the Perseverance rover’s landing armpit on Mars.

The $2.7 billion Mars 2020 mission aerial off from Cape Canaveral aboard a United Barrage Atlas 5 rocket at 7:50 a.m. EDT (1150 GMT) Thursday. Less than an hour later, the rocket’s Centaur high date deployed the Mars 2020 aircraft appropriate on ambition on a aisle to breach chargeless of Earth’s gravitational butt and arch into the solar system.

But the spacecraft, absolute NASA’s Perseverance rover, detected colder temperatures than accepted as it flew in Earth’s shadow, a appearance of the mission accepted as an eclipse. Afterwards aerial aback into sunlight, the aircraft powered up its radio transmitter and began sending signals to arena teams through NASA’s Deep Space Network.

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The DSN antennas are acquainted to accept for aside radio signals from aircraft in abroad genitalia of the solar system, and the able transmissions from the Mars 2020 aircraft — while it was still abreast Earth — saturated the network’s receivers. That has happened on antecedent missions, NASA admiral said, and arena teams anon bound the accessory affair to authorize a abiding lock on Mars 2020.

Separately, the Mars 2020 aircraft apart went into a standby operating accompaniment accepted as safe approach anon afterwards deploying from the Atlas 5 rocket. Wallace said Thursday the temperature on allotment of the aircraft biconcave beneath a preset limit, triggering the safe mode.

In safe mode, the aircraft reverts to a basal operating approach and turns of all but capital systems until it receives new commands from arena controllers, according to NASA.

NASA said in a account afterwards Thursday’s barrage that the temperature alterity was in the Mars 2020 spacecraft’s aqueous freon coolant loop, which dissipates calefaction from the centermost of the aircraft through radiators on the carrier bore accustomed the departer to Mars.

“Chances are we may accept aloof anchored bottomward on that absolute a little too much, and it triggered a safe mode,” Wallace told Spaceflight Now.

NASA’s Curiosity rover, aloft which Perseverance was designed, did not access the Earth’s adumbration afterwards its barrage in 2011. So engineers relied on analytic clay to adumbrate the temperatures during the eclipse.

“We set the banned for the temperature cogwheel conservatively bound for triggering a safe mode,” Wallace said. “The aesthetics is that it is far bigger to activate a safe approach accident back not required, than absence one that is.”

In the advancing weeks, arena teams at JPL will activate activating the spacecraft’s systems and instruments for post-launch checkouts. The testing will ensure all systems are accessible for the mission’s make-or-break landing attack on Mars planned for Feb. 18, 2021.

The one-ton Perseverance departer carries seven instruments to analyze the cartography and altitude at the mission’s landing armpit central Jezero Crater, an appulse basin that already independent a basin almost the admeasurement of Basin Tahoe. There is additionally affirmation that an age-old river flowed into the basin added than 3.5 billion years ago, abrogation abaft a dried-up river delta, area sedimentary bedrock deposits may contains signs of accomplished life.

The six-wheeled apprentice will drive beyond the delta, and scientists will use abstracts from the departer to baddest rocks for the craft’s sample accumulating drill. The assignment will abstract amount samples for accumulator central baby tubes agitated to Mars aboard the rover.

A approaching mission will retrieve the sample tubes and acknowledgment the Martian bedrock specimens to Earth for abundant analysis.

The Perseverance departer additionally carries NASA’s Ingenuity helicopter, a tiny rotorcraft that will attack to become the aboriginal agent of its affectionate to fly in the atmosphere of addition planet.

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Follow Stephen Clark on Twitter: @StephenClark1.

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