Moon and Mars

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Moon and Mars

There’s been a change of plans for bringing bits of Mars back to Earth. Instead of another rover, scientists will send a couple of helicopters. But it’s still going to take years to get the job done.

The Perseverance rover arrived at Mars early last year. Among other things, it’s examining the planet’s rocks and dirt. It’s looking for evidence that its landing site could have been a comfortable home for life in the distant past. It’s also looking for evidence of life itself.

But the rover’s lab isn’t nearly as sophisticated as those on Earth. So Perseverance is also drilling a few inches into the surface and storing those samples in tubes for return to Earth.

The plan has been for another rover to land nearby, pick up the tubes, and ferry them to a small rocket on yet another lander to start the trip to Earth. But NASA recently changed things up.

The new plan calls for only one landing, of the sample-return rocket. Perseverance will tote the samples to the rocket. But the rocket will carry a couple of helicopters. They’re based on the design for Ingenuity, a small copter that went to Mars with Perseverance. If Perseverance can’t get the samples to the rocket, the copters will. If the plan holds, the samples would arrive at Earth in 2033.

Mars is growing brighter by the day. Tonight, it’s quite close to the Moon as they climb into good view, around 10:30 or 11. It looks like a bright orange star.

Script by Damond Benningfield

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