In the early hours of the lunar day, the radiation manages to generate an electrostatic charge on individual dust particles-these average only 70 microns in diameter, so it does not take much charge to enable them to overcome the weak force of lunar gravity. As the sun’s position on the horizon changes, the amount of ionizing radiation reaching the surface of the moon changes accordingly. O’Brien’s new study, which will be published in an upcoming issue of Geophysical Research Letters, revealed that the stickiness of lunar dust varies throughout the course of the long lunar day. Lunar dust generally refers to only the tiniest particles of lunar regolith, the loose blanket of rock fragments that covers most of the moon’s surface. “Dust is the number one environmental hazard on the moon, yet its movements and adhesive properties are little understood,” said O’Brien. In 2006 he learned that NASA had lost the original data from those devices and decided to go back through his own set of data tapes from the experiments, to see if anything new could be learned. Physicist Brian O’Brien worked on several Apollo lunar landing missions from 1969 to 1971, building dust detection devices that were planted on the moon’s surface.
If you don't think any of the above situations apply, you can use this feedback form to request a review of this block.In an attempt to smooth the way for future manned missions to the moon, a researcher who studied lunar dust almost 40 years ago has returned to his data to investigate why the dust behaves in such problematic ways. Contact your IT department and let them know that they've gotten banned, and to have them let us know when they've addressed the issue.Īre you browsing GameFAQs from an area that filters all traffic through a single proxy server (like Singapore or Malaysia), or are you on a mobile connection that seems to be randomly blocked every few pages? Then we'll definitely want to look into it - please let us know about it here. You'll need to disable that add-on in order to use GameFAQs.Īre you browsing GameFAQs from work, school, a library, or another shared IP? Unfortunately, if this school or place of business doesn't stop people from abusing our resources, we don't have any other way to put an end to it. When we get more abuse from a single IP address than we do legitimate traffic, we really have no choice but to block it.
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