Very low Earth orbit satellites could fly closer to home and use air for propellant, meaning they would never run out.
Earth’s orbit is so populated that the space industry is now developing technologies to remove space debris caused by satellites from an over-crowded low Earth orbit would allow satellites to fly in a less crowded space closer to home and take more detailed pictures of our planet.
“There is air available at VLEOs. So, instead of launching rockets with these propellants, such as xenon, krypton, or argon, we can use what is naturally available: air,” Yevgeny Raitses, a managing principal research physicist at PPPL who is leading the Lab’s work on the project, explained in a That company is developing an air-breathing generator for satellites that it claims will provide a 16x increase resolution for Earth observation and telecommunications satellites.
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