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Mars Helicopter's solar panel as seen by Perseverance's Mastcam-Z(1/2)

2021-04-16 11:42:13 Ecns.cn Editor :Mo Hong'e
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This NASA photo obtained on April 15, 2021 shows the solar panel of NASA's Ingenuity Mars Helicopter's solar panel as seen by Mastcam-Z, a pair of zoomable cameras aboard NASA's Perseverance Mars rover. roughly 6.5 by 17 inches (425 mm by 165 mm), the panel charges six lithium-ion batteries inside the helicopter. (Photo/Agencies)

The small amount of dust on the panel may have accumulated above the helicopter during landing and fallen onto it during helicopter deployment.

This dust has had no adverse impact on the helicopter's power. Solar cells in the array are optimized for the solar spectrum encountered at Mars, and the stored energy is used to operate heaters for the cold Martian nights as well as power the helicopter during flight operations. Power expended by the helicopter during an up-to-90-second flight is about 350 watts.

This NASA photo obtained on April 15, 2021 shows the solar panel of NASA's Ingenuity Mars Helicopter's solar panel as seen by Mastcam-Z, a pair of zoomable cameras aboard NASA's Perseverance Mars rover. roughly 6.5 by 17 inches (425 mm by 165 mm), the panel charges six lithium-ion batteries inside the helicopter. (Photo/Agencies)

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