Photographers use tools called flags to block and control light. NASA has detailed a new technology called a starshade that’s essentially a gigantic flag in space for doing photo shoots with space telescopes.

“Although starshades have never flown in space, they hold the potential to enable groundbreaking observations of planets beyond our solar system, including pictures of planets as small as Earth,” NASA writes.

A starshade mission would involve two spacecraft working together with extreme precision. One would be a space telescope (the camera) that can hunt for and photograph planets that orbit stars outside of our solar system. The other spacecraft would be a large, flat shade called a starshade (the flag) flown about 25,000 miles (40,000km) away in between the telescope and…

This is only a snippet of a Photography Article written by <a href="">Michael Zhang</a>

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