NASA
Night Light

New NASA Satellite Will Blast Earth With Flashes You Can See From the Ground

byDan Robitzski
May 28
NASA

Fun science project or light pollution nightmare?

North Star

NASA is launching a bizarre satellite that will allow anyone to trigger a blinding flash of light in space that will be visible from the ground with the naked eye.

The toaster-sized CubeSat, named LightCube, will launch sometime between 2022 and 2025, according to a NASA press release. The satellite, which was designed by the startup Vega Space Systems and Arizona State University students, is supposed to be an educational project. But as Forbes contributor Ethan Siegel notes, the invasive on-demand flashes of light could pose a problem for scientists’ attempts to study the cosmos.

Flash On

NASA’s decision to approve and back the LightCube project comes as a bit of a shock given the astronomy research community’s recent and ongoing outcry against light pollution in space caused by the SpaceX Starlink constellation and the multitude of other satellites in the sky. Given those complaints, it’s surprising to see NASA support a project that would allow anyone with a HAM radio to create a blinding flash in the sky.

The satellite itself uses powerful xenon flash tubes — the same tech used in camera flashes and some medical imaging — to create lights that Siegel warns could interfere with both terrestrial and orbital observatories, potentially causing them to miss any short-lived natural phenomena in space that happens at the same time.

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Dimmer Switch

To be fair, LightCube sounds like a cool science project for anyone with the technical know-how to get involved in.

“This is an education-based mission,” Arizona State University researcher Danny Jacobs said in a press release. “Our goal in building and launching a spacecraft that can be commanded by the public is to inspire everyone to learn about telecommunications, spacecraft design, atmospheric and climate science, and orbital mechanics.”

But given the potential downsides, the experiment also runs the risk of setting a precedent that new satellites should be allowed to wash out the night sky just for the sake of being edutainment.

READ MORE: NASA ‘LightCube’ Mission To ‘Flash’ Earth Despite Ethics, Light Pollution Concerns [Forbes]

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More on satellites: SpaceX’s Darker Starlink Satellites Are Still Ruining Astronomers’ Research


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