Provided by Markus Bauer, ESA Science and Robotic Exploration ESA's Venus Express has ended its eight-year mission after far exceeding its planned life. The spacecraft exhausted its propellant during a series of thruster burns to raise its...
Latest Spacecraft propulsion Stories
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NASA has successfully tested the most complex rocket engine parts ever designed by the agency and printed with additive manufacturing, or 3-D printing, on a test stand at NASA's Marshall Space Flight Center in Huntsville, Alabama.
Milestone progress is being made in readying NASA’s Green Propellant Infusion Mission (GPIM) for launch in 2016, a smallsat designed to test the unique attributes of a high-performance, non-toxic, “green” fuel on orbit.
As progress continues on NASA's new rocket, the Space Launch System, the solid rocket boosters team successfully completed its critical design review Aug. 6. This is an important milestone for the program, as it verifies the boosters are ready to move forward with qualification testing.
An experimental microwave thruster that does not require fuel to operate has been dubbed the “impossible” space engine, but a team of NASA researchers has reportedly confirmed the system actually works.
A United Launch Alliance (ULA) Atlas V rocket carrying the seventh Global Positioning System (GPS IIF-7) satellite for the U.S. Air Force launched at 11:23 p.m. EDT yesterday from Space Launch Complex-41. This is the second successful ULA launch in just four days.
ESA’s Venus Express spacecraft has climbed to a new orbit following its daring aerobraking experiment, and will now resume observations of this fascinating planet for at least a few more months.
Escape Velocity -- An escape velocity is the minimum speed at which an object without propulsion can move away from a source of a gravitational field indefinitely if there is no friction. This definition may need modification for the practical problem of two or more sources in some cases. In any case, the object is assumed to be a point with a mass that is negligible compared with that of the source of the field, usually an excellent approximation. It is commonly described as the speed...
- Having no light.