NASA plans to bring 30 Martian rock samples back to Earth in 2033, the agency said Wednesday -- and is sending two small helicopters to help the mission.
The Perseverance rover, which landed on Mars in February
2021, has so far collected 11 samples as part of its hunt for signatures of
ancient life.
But bringing them back for detailed lab study on Earth is
proving to be a highly complex task.
Up until now, NASA was planning on sending another rover to
Mars to pick up the samples from Perseverance then bring them to a robotic
lander equipped with its own rocket, called the Mars Ascent Vehicle.
This in turn would fire the samples into orbit where they
would be collected by a European spaceship.
Now, however, the second "Sample Fetch Rover" has
been scrapped and Perseverance itself will deliver the precious cargo directly
to the lander, which will use a robot arm to extract it.
But since NASA always plans for contingencies, it has a
backup plan in case Perseverance becomes immobilized.
The lander, which should launch from Earth in 2028 and land
on Mars in mid-2030, will also carry two mini helicopters.
Perseverance brought with it its own helicopter, called
Ingenuity, which carried out the first powered flight on another world, and has
now made a total of 29 sorties.
The two new helicopters will be a little heavier, equipped
with wheels to be able to move on the ground as well, and come with a small arm
allowing them to recover the samples.
In this scenario, Perseverance would first drop the samples
on the ground, the helicopters would pick them up, then place them next to the
ascent vehicle.
The orbiter would be set to return to Earth in the Utah
desert in 2033.
0 comments:
Post a Comment