space station tagged posts

Engineers teach spacecraft to ‘dream’ their way to the space station

A Dragon capsule approaching the ISS. Credit - NASA / Chris Cassidy
A Dragon capsule approaching the ISS. Credit – NASA / Chris Cassidy

Docking with the ISS may seem simple. However, actually doing so shows how difficult orbital mechanics can be. It’s like traveling down a highway at 28,000 km/hr (17,000 mph) and parallel parking in an open garage on a multibillion-dollar laboratory traveling at the same speed. If you try to accelerate forward, you actually drift up, and there’s no air friction to naturally slow you down. Oh, and if you hit the lab, everyone aboard both your craft and the station dies, and the resulting debris field could wipe out dozens of satellites and even harm people on the ground. No pressure, obviously.

For decades, aerospace engineers have docked successfully using hard-coded physics equations and human pilots to make correc...

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Microbes harvest metals from meteorites aboard space station

Michael Scott Hopkins performs a microgravity experiment on the International Space Station.
Michael Scott Hopkins performs a microgravity experiment on the International Space Station.

If humankind is to explore deep space, one small passenger should not be left behind: microbes. In fact, it would be impossible to leave them behind, since they live on and in our bodies, surfaces and food. Learning how they react to space conditions is critical, but they could also be invaluable fellows in our endeavor to explore space.

Microorganisms such as bacteria and fungi can harvest crucial minerals from rocks and could provide a sustainable alternative to transporting much-needed resources from Earth.

Researchers from Cornell and the University of Edinburgh collaborated to study how those microbes extract platinum group elements from a meteorite in microgravity, with an experimen...

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