Tag: spaceflight

French engineers have designed a tiny ion motor that nano-satellites could use as a thruster to adjust their orbits.

7:54 am

Swiss engineers have designed a tiny ion motor that nano-satellites could use as a thruster to adjust their orbits.

The motor weighs only seven ounces, and could work on satellites as small as four inches cubed.

Up to now, it wasn’t possible to reduce the size of maneuverable satellites below a certain point because of the size of their large thruster engines. If it is now possible to provide nano satellites with thrusters, it will be possible to significantly reduce the cost, and more importantly, the payload weight, of satellites. And with a lower payload weight, it will be possible to create a market for smaller rockets, which are much easier to build and far cheaper.

This kind of news makes me more confident that the new commercial space industry truly has a future.

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The Buzz Lightyear toy that flew on space shuttle has been donated to the Smithsonian.

8:42 am

The Buzz Lightyear toy that flew on space shuttle has been donated to the Smithsonian.

This news item illustrates the sad state of the American space program, when the arrival at a museum of a foot-high plastic toy that had been in space merits major news coverage. Worse, if we instead wanted to bring this toy back to ISS, we can’t, at least not without begging help from someone else.

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Boeing vs Boeing.

9:09 pm

Boeing vs Boeing.

The story describes how Boeing is considering upgrading the X-37B to become a manned ferry to ISS, thus putting it in direct competition with the company’s other manned capsule, the CST-100.

At the American Institute of Aeronautics and Astronautics’s Space 2011 conference in November, Boeing’s Arthur Grantz revealed that the company is studying a new derivative of the Boeing/USAF X-37B. The new X-37C would be 65-80% larger than the current B version. Launched by an Atlas V rocket, X-37C could carry pressurized or unpressurized cargo or 5-6 astronauts. Grantz is chief engineer in charge of X-37 at the Boeing Space and Intelligence Systems Experimental Systems Group .

Hat tip to Clark Lindsey.

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The effort of a private company to salvage a communications satellite stranded in the wrong orbit has been rejected by the company that owns it. Instead, the satellite will be de-orbted today, buring up over the Pacific.

9:01 am

The effort of a private company to salvage a communications satellite stranded in the wrong orbit has been rejected by the company that owns it. Instead, the satellite will be de-orbted today, burning up over the Pacific.

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Last night a piece of space junk missed ISS, but not by much.

8:14 am

Last night a piece of space junk missed ISS, but not by much.

The debris was only 8.7 miles from the station when it zipped by at about 16,000 miles per hour. That is very close, and had it hit, it would have done very significant damage.

The fragment was from an old Russian satellite, Cosmos 2251, that collided with an Iridium satellite in 2009, producing hundreds of fragments more than two inches across.

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