china far dark side moon landing panorama wrap around orthographic change 4 lunar mission cnsa

China recently landed the first space mission ever, called Chang’e 4, on the far side of the moon.
The mission’s landing spacecraft and Yutu-2 rover were sent to probe the moon’s geology, seek out water, study the night sky, and even grow silkworms on the lunar surface.
Both spacecraft recently woke up from a “noon nap” to survive searing-hot temperatures.
The lander took a 360-degree, wrap-around picture of the landing site after waking up on Friday.

China has released a detailed panoramic image taken by the first-ever spacecraft to land on the half of the moon we can’t see from Earth.

The mission, called Chang’e 4, touched down on the moon’s far side (“dark side” is a misnomer) on January 3. The car-size lander and smaller rover it deployed, called Yutu-2, are designed to probe the region over the next six months.

Shortly after the lander and rover began their work, however, the China National Space Administration put the two spacecraft into a planned three-day “nap,” as Space News reported. This helped the mission survive the equivalent of high noon on the moon, during which lunar surface temperatures can reach more than 240 degrees Fahrenheit.

The noon nap ended on Thursday and both spacecraft “were in stable condition,” the CNSA said on its website, allowing the Chang’e 4 mission to resume in earnest.

One of the first tasks performed by the lander was taking a series of images of the landing site on Friday morning. The CNSA stitched the images together into a 360-degree panorama and released two depictions:

The picture at the top of this story is known as an orthographic projection. This stretches some parts of a panorama and shrinks others to create a single, fish-eye-lens-like image.

The horizontal image above is a cylinder projection, which is essentially a 360-degree, wrap-around image cut at one point and flattened.

The cylinder projection was the most detailed of the image pictures released by China, and shows the clearest image yet of the desk-size Yutu-2 rover traipsing toward across the lunar surface toward at the edge of a small crater.

Earlier on its mission, the lander sent back the first photos from the surface of the moon’s far side, and the images show Yutu-2 along with the tracks left by its six wheels.

Scientists in China hope to learn vital clues about …read more

Source:: Business Insider

      

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China releases detailed 360-degree photo from the first mission to land on the far side of the moon

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