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originally posted by: intrptr
Not a good idea. RTGs are used in deep space to heat and power space craft components. Once activated they become highly radioactive, as does the whole craft.
RTGs and radioactive contamination
To minimize the risk of the radioactive material being released, the fuel is stored in individual modular units with their own heat shielding. They are surrounded by a layer of iridium metal and encased in high-strength graphite blocks. These two materials are corrosion- and heat-resistant. Surrounding the graphite blocks is an aeroshell, designed to protect the entire assembly against the heat of reentering the Earth's atmosphere. The plutonium fuel is also stored in a ceramic form that is heat-resistant, minimising the risk of vaporization and aerosolization. The ceramic is also highly insoluble.
originally posted by: pfishy
a reply to: intrptr
I'm actually for the prospect of purposely crashing Dawn into Ceres. The final data gathered when we've done this with other probes had been extremely valuable.
we could you know. now there all sorts of crowd funding and sourcing options and an global communications. what would be needed is a trustworthy organisation with built in and independant auditing. then they could present mission profiles and hardware proposals (rated for viability by experts) and use those to entice donations. they would have to network with govt, universities and industry or inventors.
originally posted by: Aleister
"Earth" should be funding dozens if not hundreds of new probes a year.
In September 2009, three figurines based on the derivative character "Hachune Miku" were launched in a rocket from the United States state of Nevada's Black Rock Desert, though it did not reach outer space. In late November 2009, a petition was launched in order to get a custom-made Hatsune Miku aluminium plate (8 cm × 12 cm, 3.1" × 4.7") made that would be used as a balancing weight for the Japanese Venus spacecraft explorer Akatsuki. Started by Hatsune Miku fan Sumio Morioka (also known as "chodenzi-P"), this project has received the backing of Dr. Seiichi Sakamoto of the Japan Aerospace Exploration Agency. On December 22, 2009, the petition exceeded the needed 10,000 signatures necessary to have the plates made. An original deadline of December 20, 2009 had been set to send in the petition, but due to a couple of delays in the Akatsuki project, a new deadline of January 6, 2010 was set; by this deadline, over 14,000 signatures had been received. On May 21, 2010 at 06:58:22 (JST), Akatsuki was launched, having three plates depicting Hatsune Miku and Hachune Miku in several monochrome images, composed of the miniature letters of the messages from the petition form etched in the plates.
originally posted by: MystikMushroom
a reply to: intrptr
Those rods they store in the heavy water tanks? Unless you swam within a few feet of them you'd be fine. The water acts as a good radiation shield. The more you know…