Monday , August 2 2021

Small satellites will report back to the Earth on the InSight Mars



The next spacecraft set to land on Mars brings its own communications team. InSight, a colonist scheduled to touch down on the Red Planet on November 26, together with a pair of large space ships that will send details of landing to Earth in almost real time.

The dual craft on this mission is CubeSats – small, inexpensive and easy-to-build satellites and launch. Mars is known as Mars Cube One, or MarCO for a short time, that they will fly past Mars as InSight lands, becoming the smallest spacecraft ever to have a task task as crucial as introducing mission landing information. Now close to Mars, they are also the first CubeSats that make so far from Earth. If everything goes well with InSight landing, Mars's future trips could also be their own one-off complex team.

"A future where landlords and blasts came their own systems of communication for landing, which would be great," said engineer Joel Krajewski of the NASA Jet Propulsion Laboratory at Pasadena, Calif., And a MarCO program manager.

InSight – a short for Internal Audit using Seismic Investigations, Geodesi and Transport – will carry the first seismometer to Mars (SN: 5/26/18, t. 13). After touching a flat flat plateau, of the name Elysium Planitia near Marsor, the terrain will sit perfectly to listen to seismic waves and measure how heat flows through the inside of the Red Planet. The results will help scientists understand how Mars formed, and other rocky designs such as Earth, about 4.5 billion years ago.

InSight will only enter 6½ minutes into the Martian atmosphere, at a speed of almost 1,000 meters per second, so far its legs touch the ground. The spacecraft will use parachute and rocets that are aimed at the ground to slow about 2.4 meters per second as it stops. Lightweight signs of the CubeSats or Insight itself will take about eight minutes to travel between Earth and Mars, so by NASA engineers to hear that InSight has reached Mars's atmosphere, the spacecraft will be on ground floor.

"This is awful," said Farah Alibay, also of the Jet Propulsion Laboratory. "Which is a soft and pretty hard, we will not know. But we know when you get that first data, InSight is already landed. "

We listen

The Marcos CubeSats will watch the InSight crash to the Martian surface (red line) and send the landing details back to Earth, before continuing with the past.

For most of the previous Mars flows, one of the large disrupters that rotated on the Red Plate would have to refuse to take data to watch the event and send details to Earth. The orbiter that is best placed to watch InSight will be NASA's Mars Recognition Orbiter. While that spacecraft will observe the landing, it will not be able to transfer any details to the Earth for at least three hours as the orbit takes the craft behind to Mars from the point of view of the Earth, preventing communication.

"Most people are not three to four hours long, but it's pretty long for us," said Alibay. "Tirio is the most brilliant of your mission." Waiting to hear about spanning space space like waiting for news about someone's health, he said.

To avoid that waiting, the team sent the euro CubeSats. The spacecraft was launched with InSight, but steered through a deep space on their own since May. Marco's craft can change their trajectories by distributing cold compressed gas, similar to the way a firefighters are working – who won the Wall-E and Eve plinths among the team, after the Disney flying robot characters. "We have shown that CubeSat is able to leave Earth's orbit, survive the harsh environment of space and direct itself towards Mars," said Alibay.

About five minutes before InSight reaches the highlight of a Mediterranean atmosphere, both MarCO crafts will stand to track the banks through the road to the floor, and send details back to the Earth immediately . They all operate independently, supporting each other.

If everything goes well, MarCO could set a precedent for future Mars trips. Mars's current balanceors will be able to support the launch of the two launch of Mars in 2020 – NASA Mars 2020 and Rover ExoMars, which is run by the European Space Agency and Russian space agency. But after that, the future is angry.

"At the moment, there is no orbiter operating plan beyond that time frame," said Krajewski. In addition, current mixers need to burn fuel to go to the right site to watch other spacecraft land, which shortens lives and the orbits. The future sending of a spacecraft with their own CubeSat aids team could help scientists monitor unprotected landscapes and the great agreement of science tours.

After InSight grounds, the MarCO post will be done. The small craft does not have enough fuel or equipment to enter a long-term output around Mars. Instead, MarCO "will be a great deal and will continue," said Krajewski.

You can watch the InSight cleanup online at NASA TV.


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