Average probability of some (any) operational satellite at a give altitude being hit by something, either a piece of space debris, rocket body, or another satellite each year. This was calculated using a flux of space objects with diameters greater than 1 cm from NASA’s model that is valid for the equatorial region. It predicts …
Nine Cascades In Vacuum
by | 2009-02-24 | 22 Comments
I wanted to talk about Joby Warrick’s story, Iran Easing Aspects Of Nuclear Program, Report Cites Lag at Centrifuge Facility. A senior UN official told journalists that Iran has slowed installation of a second module of 3,000 centrifuges: “The pace of installing and bringing centrifuges into operation has slowed quite considerably since August,” a senior …
Safeguards in Iran. And Elsewhere.
by | 2009-02-22 | 15 Comments
Partial schematic of Iran’s planned fuel cycle, once facilities currently under construction have been completed. I was travelling on Friday and got back to the internet to observe the aftermath of the s*!t storm over material accountancy in Iran. The story that seems to be emerging is that Iran understated the quantity of low enriched …
A Correction
by | 2009-02-21 | 2 Comments
Yesterday, my cynicism got the better of me. I expressed doubt that anyone in the press compared the two IAEA reports, concluding that someone in either the IAEA or one of the missions was putting a little pressure on the Iranians. I was wrong. One of the reporters has contacted me to clarify that it …
