Landing on Mercury on equator at perihelion |
Landing on Mercury on equator at perihelion |
Mar 21 2006, 12:18 AM
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Junior Member Group: Members Posts: 40 Joined: 20-March 06 Member No.: 720 |
How will it be to make a manned landing at Mercury at its closest to the sun (perihelion) on its equator when the sun is in the zenith ,what are the dangers of a landing then? Do we need to be protected against the sunheat and radiation then? How strong is the heat and radiation of the sun then ,and is it dangerous when the solaractivity is high then? What kind of spacesuits do we need then? Better protected suits than we have used on the apollo moonlandings i think. Can you explain how a landing on Mercury will be when it is at perihelion and land on its equator with the sun directly overhead? I hope it will ever happen. Lets start discuss about it.
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Guest_BruceMoomaw_* |
Mar 22 2006, 03:40 AM
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Guests |
It has stupendously less than that -- its atmospheric pressure is, I believe, about one-trillionth that of Earth. That is, it is an "atmosphere" only by the strictly scientific sense of the word, like that of Io. Its list of constituents still seems to be growing -- potassium and calcium atoms have now been identified in it, and there may be others. (For instance, there is surely a faint trace of argon-40 in it, decaying naturally out of the potassium-40 in Mercury's rocks.) But it is entirely an "exosphere"; the incredibly faint trace of gas making it up has all been baked out of Mercury's surface crust by meteoroid impacts and/or sputtering of Mercury's surface rocks by high-speed particles of solar radiation.
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