How Are Space Exploration Satellites Powered? What Is Voyageru2019s Source of Power? How Does This S

How Are Space Exploration Satellites Powered? What Is Voyageru2019s Source of Power? How Does This S 1

Voyager, as do other outer solar system explorers, uses RTGs. An RTG is a radioisotope thermoelectric generator. A slug of plutonium, or similar radioactive substance, naturally generates heat. Thermocouples convert that heat into electricity. A thermocouple is composed of two different metal plates. If they are connected as a circuit and kept at different temperatures a current will flow. It is an elegant solution that has no moving parts and is good for 30-50 years.They are, however, a political challenge each time they are launched. Environmental activists protest, concerned that should the rocket fail, the radioactive material would be strewn into the atmosphere. The slugs are quite safe, though. They are housed in a very robust protective casing that can survive rocket explosion and surface impact.How are space exploration satellites powered ?

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Does competition still play a significant part in space exploration? Is a new space race upon us?

China has talked about sending a man to the Moon, but I am not sure how serious a competitor they are. I am not sure they could get there before the Americans go back. They've only had three manned spaceflights so far. Copernicus87, the US did not have to resort to a hoax to beat the Russians to the Moon. They were way ahead of the Russians in space by the time the Gemini program ended in 1996, and the American Saturn V Moon rocket was better constructed than the Russian N-1 Moon rocket that exploded every time it was launched. The Americans won the Moon race honestly.

How Are Space Exploration Satellites Powered? What Is Voyageru2019s Source of Power? How Does This S 2

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What fundamental breakthrough do we need to achieve before space exploration can truly begin? How likely are we to see this in our lifetime?

To make space exploration worthwhile we would have to find a way to bend space or exceed the speed of light. The probability of that happening is extremely low

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Do you support the government using your hard-earned money to fund space exploration?

The job of government is to do what the people cannot do for themselves. People cannot get to the stars themselves, except perhaps someday as scattered DNA fragments. If we cannot control population, and we do not kill off all the other humans on the planet, then we are going to need new places to live, and new sources of raw materials. Having a viable frontier is not a waste, it is a necessity. Einstein does not keep us from our own solar system. Einstein does not say anything about quantum mechanics, and quantum mechanics says nothing about space or time. .. like they do not exist at some level. We already have nearly enough cures, and life extending research. What we still need is hope. To not live in each other's pockets. To not be ripe for contagion because we cover the planet to ever greater depths. Apparently you have no idea who actually runs the data collection and analysis of probe data. It is NOT scientists at NASA, but professors and grad students at colleges. NASA has very small involvement. As to private enterprise getting us all these things... governments have been holding carrots out for decades, and private enterprise has largely not stepped up. There is apparently not enough profit in Mankind having a future. And the plans for spacecraft with proven histories are public domain. So you perhaps will say, why does the USA have to pay for it? Well we do not . We can let other countries start dropping rocks on us from space, because we can be such meddling d*cks at times, then lets see where you will find the money when it is too late. When our politicians start concentrating on less, then they need to be replaced. When private individuals hamstring politicians from responding to the interests and demands of their constituency, then we have become an oligarchy. Here's a little joke for you. .. all the hydrogen fuel that powered the space shuttle was harvested from fossil fuels, because that was the cheapest way that private industry (and basic chemistry) could come up with making it. The harsh reality is, you want us all to become victims, and die. Why do you think we want that, and help you to justify it?.

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