Tag: spaceflight

Burt Rutan on future of space

1:19 am

At an airshow on Thursday, July 29, in Oskosh, Wisconsin, Burt Rutan, designer of SpaceShipOne, made some interesting remarks about the past and future of private space flight. Key quote:

Rutan said NASA should give 10 to 15 percent of its budget to new space companies like Elon Musk’s SpaceX without regulating how to spend the money. “That would allow them to not (have to) beg for commercial investment, while still working in an entrepreneurial mode.”

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Poor leadership by Obama on NASA

12:33 am

Glenn Reynolds of Instapundit today said the following (in recognizing Jeff Foust’s op-ed for Technology Review):

CONGRESS BLOWS IT: Commercial Spaceflight, We Have A Problem. Congress will always choose short-term pork over long-term development unless there’s strong Presidential leadership. But while the Obama space policy is good, the White House hasn’t provided the kind of legislative push it takes to make it work. Without strong leadership, a good policy will always lose out to pork.

Didn’t someone say this already? In fact, didn’t that someone say this more than once?

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Single Rope Techinque — on the Moon

2:33 pm

James Fincannon of NASA took the two images of the Marius Hills lunar pit taken at different times by Lunar Reconnaissance Orbiter (which I posted here) and did an overlay so that the shadow produced by pit’s rim could be easily compared with the rim itself (see below). He then did some calculations based on the sun’s angle of light shining into the cave and came up with the following calculations:

I estimate it is 60 meters from rim to bottom. The floor is flat below the surface. The rocks on the flat surface below ground are in stark relief (hard shadows) compared to above ground due to the sun coming only at one angle while above ground the albedo/reflections makes for soft shadows at this high sun angle (65 deg elevation). I cannot tell if the black portion of the combo image is a slope or more flat floor. Need a different high sun angle or azimuth to fill that in. Still I like the general pattern of the rim matching the shadow on the floor, although the image I found originally has that edge of the cave rim in shadow for a large extent.

overlay of Marius Hill cave

A 60 meter drop is about 200 feet deep. This result is reasonably close to the depth estimated by Japanese scientists, 88 meters or 288 feet, based on images of the same lunar pit taken by their Kaguya probe.

Knowing the approximate depth of the entrance pit raises the much more important question: How will future lunar explorers to get to the bottom of this pit? It is ironic » Read more

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ISS and Chinese satellite debris

1:34 pm

Russian mission control has indicated that the debris left over from destruction of a Chinese satellite in 2007 poses a “danger” to the International Space Station. Key quote from a Russian official:

“If the calculations show that the debris is approaching the station at an unacceptably close range, the six astronauts will receive the order to take shelter in the two Russian Soyuz spacecraft which are docked with the ISS.”

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Space war update

9:49 am

This Orlando Sentinel analysis of the various Congressional NASA budget proposals working their way through the House and Senate right now concludes, as I have been saying for months, that the future for NASA is not good. Key quote:

The plan orders NASA to build a heavy-lift rocket and capsule capable of reaching the International Space Station by 2016. But it budgets less money for the new spacecraft — about $11 billion during three years, with $3 billion next year — than what the troubled Constellation program would have received. That — plus the short deadline — has set off alarms.

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Senate moves towards House NASA plan

10:53 pm

In a blunt rejection of the Obama proposals for NASA, the Senate Appropriations Commerce, Justice, and Science Subcommittee today reworked the NASA plan — handed to them last week by the committee that authorizes NASA’s budget — so that it more closely matched the House version. These changes cut in half the money for private commercial space while adding $3 billion to continue the development of the Orion capsule and the heavy lift version of the Ares rocket.

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The space war heats up

9:58 am

It appears the space war is heating up again. This analysis of the NASA authorization legislation issued by the House yesterday notes that it has serious differences with the Senate bill. The article notes that the House bill does not fund an additional shuttle mission while insisting that the government continue the construction of some variation of the Orion capsule and Ares rockets. See also this article from the Orlando Sentinel.

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Draft version of Senate NASA budget released

3:06 pm

A draft version of Senate’s NASA budget has been released. More commentary to come.

Update. From what I can tell by a quick scan through the actual proposed legislation [pdf], the Senate will give the administration most of the money it wants for commercial space, but also demand that it start work on a heavy-lift replacement of the shuttle immediately, including the full size version of the Orion capsule. However, the language requiring this latter action is very vague (“as soon as possible after the date of the enactment of this act”) and leaves the administration a great deal of wiggle room. From my experience, this means that Congress is trying to create the illusion that it has done something, but is basically leaving the decisions to the administration.

The draft language does forbid any contracts being issued for any new private commercial crew services until the 2012 year, which suggests that Congress wants NASA to focus on the Orion capsule and heavy lift option first. However, to me this merely means the Obama administration is being given the option to stall for a year and then come back again later with the same proposals it offered back in February of this year. That the draft legislation also gives NASA 120 days to put together its plan for its heavy-lift program only increases my doubts about Congress’s seriousness.

Overall, this legislation only confirms my worst fears. If passed as is, both the new private commercial space ventures as well as the government space program will suffer.

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Jeff Foust analysis of the New Space business

8:58 am

Jeff Foust of the Space Review has written an excellent analysis today explaining why some new space companies have succeeded (SpaceX) and some have failed (Rocketplane). Key quote:

If your business plan requires hundreds of millions of dollars of investment, and your founders don’t have that money available themselves, it may be wise to reconsider that plan in favor of an effort that can bootstrap itself with much less funding.

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