The unmanned space probe is, all things being equal, cheaper and involves no risk of life to personnel. The craft can be built without regard to life-support, emergency escape, etc, can conveniently burn up in the outer atmosphere with no problems. It can be up for years--many satellites are--and transmit accurate data without problems unless something goes wrong, as many Mars probes have gone under. But many times when spacecraft have broken down, they are un-recoverable. It is interesting to note the radio science commentator, Dr. Michio Kaku--of WBAI--originator of the super-string theory, prefers unmanned to manned space craft. Of course, there is (other side of the coin) the adventure and romance of manned exploration with all its risks. Unmanned shots are mere remote controlled stations, but a manned shot to the Moon, even, is long overdue, there is much talk of Manned Lunar missions in the near future! See air and space magazine. In 2030, there are plans of sending a manned spacecraft to Pluto... 10 years travel away!
There are several advantages and disadvantages of using 1 KG inorganic refrigerants. Some of the advantages and disadvantages are cost, energy efficiency, safety issues, and system issues.
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The advantages of laughing gas are; relieving anxiety and it acts fast. Causing nausea to some people and the fact that it does not affect everyone are its disadvantages.
AdvantagesNo overflowing landfillsDisadvantagesSome effort required on our part.
There are no particular advantages or disadvantages of series or parallel circuits. Some circuits require one while other circuits require the other. Frequency filters often require one or the other depending on whether you need a pass or rejection filter.
Some advantages to an air cooler include:Cooler temperaturesComfortSome disadvantages to an air cooler include: Uses electricityNoise pollutionBigger expenseTakes up space
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What would be some disadvantages
Some disadvantages of space probes include the high cost of development and operation, limited ability for repairs or maintenance once in space, and the potential for communication delays due to long distances from Earth. Additionally, the technology on board a space probe may become outdated over time as advancements are made in space exploration.
No Advantages Disadvantages Only
An unmanned space probe is much cheaper than a manned space probe, and if you are not sending humans, basically no human lives are risked. Also, on very long trips, like to other solar systems, it is extremely problematic to send people on a trip from which they will never return.
Disadvantages--it may offend some people. Advantages--remind one of spiritual path.
There are no advantages, and the disadvantages are only because of prejudice and hate. One day, there will be no disadvantages either.