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It Might Be Possible to Grow Potatoes on Mars

Potatoes could grow in Martian soil, if they are given certain nutrients and water

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Mars
Possibility of growing potatoes on Mars.(VOA)

Peru, 11March, 2017: When humans finally land on Mars one of the first dishes made of locally grown vegetables may be the universally popular French fries.

Researchers from the International Potato Center and the University of Engineering and Technology in Lima, Peru, say potatoes could grow in Martian soil, if they are given certain nutrients and water.

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Researchers successfully grew potatoes in soil from the Pampas de La Joya desert in Peru, which they say is the closest chemically to the dry Martian soil.

Helped by scientists from NASA Ames Research Center, they built a special chamber closely mimicking the Martian temperature, air pressure, and oxygen and carbon dioxide levels.

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The most promising results have come from a variety of potato specially bred for extreme soil and climate conditions on Earth.

The new experiments were started on February 14 and can be viewed on potatoes.space/mars. (VOA)

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“It Is A More Rugged Surface Than We Predicted,” NASA’s Plan to Scoop Up Dirt from Asteroid Hits Complication

A Japanese spacecraft, Hayabusa2, touched down on another asteroid in February, also on a mission to collect material. Japan managed to return some tiny particles in 2010 from its first asteroid mission.

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This artist's rendering made available by NASA in July 2016 shows the mapping of the near-Earth asteroid Bennu by the OSIRIS-REx spacecraft. VOA

NASA’s plan to scoop up dirt and gravel from an asteroid has hit a snag, but scientists say they can overcome it.

The asteroid Bennu was thought to have wide, open areas suitable for the task. But a recently arrived spacecraft revealed the asteroid is covered with boulders and there don’t seem to be any big, flat spots that could be used to grab samples.

In a paper released Tuesday by the journal Nature, scientists say they plan to take a closer look at a few smaller areas that might work. They said sampling from those spots poses “a substantial challenge.”

“But I am confident this team is up to that substantial challenge,” the project’s lead scientist, Dante Lauretta, told reporters at a news conference Tuesday.

The spacecraft, called Osiris-Rex, is scheduled to descend close to the surface in the summer of 2020. It will extend a robot arm to pick up the sample, which will be returned to Earth in 2023. The spacecraft began orbiting Bennu at the end of last year, after spending two years chasing down the space rock.

FILE - This Nov. 16, 2018, image provide by NASA shows the asteroid Bennu.
This Nov. 16, 2018, image provide by NASA shows the asteroid Bennu. VOA

When the mission was planned, scientists were aiming to take dirt and gravel from an area measuring at least 55 yards (50 meters) in diameter that was free of boulders or steep slopes, which would pose a hazard.

“It is a more rugged surface than we predicted,” said Lauretta, of the University of Arizona in Tucson and one of the paper’s authors. But he said he believed a sample could still be collected.

NASA project manager Rich Burns said a spot will be chosen this summer and the setback won’t delay the sampling.

Patrick Taylor, who studies asteroids at the Lunar and Planetary Institute in Houston but didn’t participate in the spacecraft mission, noted in a telephone interview that the spacecraft was evidently maneuvering more accurately and precisely than had been expected.

“That gives me confidence they will be able to attempt a sample acquisition,” he said.

NASA
NASA project manager Rich Burns said a spot will be chosen this summer and the setback won’t delay the sampling. VOA

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Bennu is 70 million miles (110 million kilometers) from Earth. It’s estimated to be just over 1,600 feet (500 meters) across and is the smallest celestial body ever orbited by a spacecraft.

A Japanese spacecraft, Hayabusa2, touched down on another asteroid in February, also on a mission to collect material. Japan managed to return some tiny particles in 2010 from its first asteroid mission. (VOA)