NASA releases photos of a new backpack it designed to help astronauts navigate the moon in the dark




  • In Science
  • 2022-04-22 16:00:57Z
  • By Business Insider
 
  • NASA has developed a backpack-sized sensor to help moon astronauts map their surroundings.

  • The sensor would build a 3D map in real-time to help them navigate uncharted or dark terrain.

  • NASA plans to return humans to the moon for the first time since 1972.

NASA has released images of a backpack-sized sensor it is developing to help astronauts navigate terrain in future expeditions to the Moon.

The Kinematic Navigation and Cartography Knapsack (KNaCK) is designed to help astronauts walk around areas that are uncharted or have with very low visibility, like the south pole of the Moon, NASA said in a release Wednesday.

The animation below shows what the landing of a drone would look like using this technology.

An animation shows how the distrubance from the landing of a drone would be seen using the Kinematic Navigation and Cartography Knapsack (KNaCK).
An animation shows how the distrubance from the landing of a drone would be seen using the Kinematic Navigation and Cartography Knapsack (KNaCK).  

KNaCK is based on lidar, a technology that uses light the way a bat uses sound to echolocate. The sensor pulses the light to map out the surroundings of the astronauts in 3D.

A annotated still of the animation shows how the Kinematic Navigation and Cartography Knapsack (KNaCK) shows terrain.
A annotated still of the animation shows how the Kinematic Navigation and Cartography Knapsack (KNaCK) shows terrain.  

In an environment like the Moon, there is no GPS to help with navigation as of now.

So the tool, which maps in real-time, can help the astronauts know how far they've come and how far the next object is, Dr. Michael Zanetti, who leads the KNaCK project in Huntsville, Alabama, said in the statement.

The sensor can be carried around as a small backpack and can also be mounted on rovers.

Lead scientist is shown walking around with NASA’s Kinematic Navigational and Cartography Knapsack (KNaCK).
Lead scientist is shown walking around with NASA’s Kinematic Navigational and Cartography Knapsack (KNaCK).  

The system could also help astronauts navigate areas where the visibility is very poor, like the south pole of the moon, where the sun never rises more than three degrees above the horizon, leaving much of the terrain in permanent deep shadow, per the statement.

Back to the moon by 2025?

The last time an astronaut trod soil that wasn't on Earth was almost 50 years ago, when Gene Cernan left the Moon on December 19, 1972.

NASA aims to resume manned excursions to the Moon soon with its series of Artemis missions, which should include the first-ever visit to its south pole, per the statement.

Late last year, the agency pushed the timeline for its first human moon landing to 2025, prompting top officials to worry that China could beat the US there, as Insider previously reported.

The cornerstone of the Artemis missions is a type of mega-rocket called Space Launch System (SLS).

The first of the series was rolled out to its launch pad for a series of early testing called "wet dress rehearsal" for the first time last month.

white and orange rocket towers 30 stories above three workers at the assembly building
white and orange rocket towers 30 stories above three workers at the assembly building  

This was a momentous occasion for the rocket a decade in the making.

But after testing was delayed by bad weather and technical glitches that revealed a faulty valve, the rocket was taken off the launchpad and back to its assembly building last week.

A still of a livestream shows lightning hitting the tower supporting NASA
A still of a livestream shows lightning hitting the tower supporting NASA's new SLS rocket.  
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