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Japanese space elevator

Japanese space elevator

Snap-Proof Super-Thin Space Tether, About half of all orbital tether tests have either failed to deploy or snapped under the impact of micrometeoroids, according to the European Space Agency. But now the agency is saying they've made an unsnappable tether for a solar sail

Snap-Proof Super-Thin Space Tether, About half of all orbital tether tests have either failed to deploy or snapped under the impact of micrometeoroids, according to the European Space Agency. But now the agency is saying they've made an unsnappable tether for a solar sail

Electric power distribution undersea cable for submarine applications

Electric power distribution undersea cable for submarine applications

The Space Tether Experiment

The Space Tether Experiment

The Young Engineers' Satellite 2 (YES2) is a 36 kg student-built tether satellite that is part of ESA's Foton-M3 microgravity mission.

The Young Engineers' Satellite 2 (YES2) is a 36 kg student-built tether satellite that is part of ESA's Foton-M3 microgravity mission.

An electrodynamic tether is essentially a long conducting wire extended from a spacecraft. The gravity gradient field (also known as the "tidal force") pulls the tether taut and tends to orient the tether along the vertical direction. As the tether orbits around the Earth, it crosses the Earth's magnetic field lines at orbital velocity (7-8 km/s!). The motion of the conductor across the magnetic field induces a voltage along the length of the tether.

An electrodynamic tether is essentially a long conducting wire extended from a spacecraft. The gravity gradient field (also known as the "tidal force") pulls the tether taut and tends to orient the tether along the vertical direction. As the tether orbits around the Earth, it crosses the Earth's magnetic field lines at orbital velocity (7-8 km/s!). The motion of the conductor across the magnetic field induces a voltage along the length of the tether.

One capture concept being explored through ESA's e.Deorbit system study for Active Debris Removal - capturing the satellite in a net attached to either a flexible tether (as seen here) or a rigid connection. Credit: ESA Read more at http://www.redorbit.com/news/space/1113077234/how-to-catch-a-satellite-022114/#aYS5wgKjEqFygllD.99

One capture concept being explored through ESA's e.Deorbit system study for Active Debris Removal - capturing the satellite in a net attached to either a flexible tether (as seen here) or a rigid connection. Credit: ESA Read more at http://www.redorbit.com/news/space/1113077234/how-to-catch-a-satellite-022114/#aYS5wgKjEqFygllD.99

Tethered Satellite System 1 (TSS-1) mission   Launch Date: 1992-06-26

Tethered Satellite System 1 (TSS-1) mission Launch Date: 1992-06-26

Multi-Application Survivable Tether (MAST) experiment - A trio of mini-satellites has failed in their attempt to deploy a kilometre-long tether in space. [17 April 2007]

Multi-Application Survivable Tether (MAST) experiment - A trio of mini-satellites has failed in their attempt to deploy a kilometre-long tether in space. [17 April 2007]

The Foton LOcated YES2 Deployer (FLOYD) element of the YES2 satellite with the 30km tether stowed inside. The tether – or “Florian” as it known to the team - for the mission is made a special material called Dyneema, which is a type of polyethylene. The exceptionally strong material is only 0.5mm thick.

The Foton LOcated YES2 Deployer (FLOYD) element of the YES2 satellite with the 30km tether stowed inside. The tether – or “Florian” as it known to the team - for the mission is made a special material called Dyneema, which is a type of polyethylene. The exceptionally strong material is only 0.5mm thick.


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