solar wind from the sun blows at a speed of about 800mph; how the astraus withstood it on the moon surface ?

Question

There is no magnetosphere for the moon as that of earth. so how is it possible for the astronauts to be there on the lunar surface?

Answer 1

the moon is partially shielded by the earth. Most of the wind is broken up and slowed up before it ever got the moon. Also the spacesuit are made to protect astronauts from radiation, slor wind, and dust particles

Answer 2

Density is the key. The particles from the sun may be travelling at extreme speed, but they are so dispersed you never notice they're there. The solar wind density at the distance of the Moon is about 7 protons per cubic centimetre. To give you an idea of just how little this is, air at sea level has around a billion billion particles per cubic centimetre!

If you drop a block of polystyrene on you foot, chances are you'll curse your clumsiness and pick it up without even noticing you actually hit your foot with it. If you drop a block of concrete from the same height on your foot, chances are you'll be needing an ambulance. Both hit your foot at the same speed, but one did virtually no damage because it is so much less dense than the other. So it is with the solar wind. In terms of the physical effect on a person standing on the lunar surface, it's barely a wind at all.

Answer 3

It's not 'wind' like we have on Earth. It's tiny particles and light. It's not going to blow you over - you wouldn't even notice it. It hits the Earth constantly.

Yes, you do get a larger radiation dose on the Moon - about the same in an hour as you would get on Earth in a day. As long as a solar flare doesn't go off, you're fine. And the astronauts got lucky there.

Answer 4

What's the density of the matter traveling in the winds?

On Earth, the air has around 300 billion billion particles per cubic centimeter.

In space, there's about 1 particle per cubic centimeter.

Momentum is mass times velocity. The mass of the particles hitting the astronauts is about 1/(3x 10^20) of the mass of air, but it's hitting the astronauts at 800 miles per hour. The momentum transfered would be about the same as if a wind of 0.00000000000000000267 mph blew against a person standing on Earth (i.e. it would feel the same as standing on Earth on a nearly perfectly calm day).

Answer 5

The solar wind is not at all like winds here on Earth. It exerts very little force, because the pressure is very low. Air pressure on Earth is around 14 pounds per square inch, I forget the exact figure. The pressure of the solar wind is much, much lower. So even though the wind is faster than those on Earth, you wouldn't really feel it. There have been proposals to use the solar wind for propulsion, using very large sails, but you need VERY large sails to propel a relatively small object.

Answer 6

The solar wind has very, very little density to it. Even though it's blowing at 800 mph, the amount of reistance it puts against a human body is less than that of the gentlest breeze here on Earth. The spacesuits protected them from the radiation from the sun as well.

Answer 7

it fairly is that one among those superb question and that i applaud you for asking it. it may be exciting to verify the array of responses. First, i'm a Virgo sunlight, Sagittarius moon, Libra Venus, and Aquarius increasing. one million) No, besides the certainty that a lot of my closest acquaintances throughout the time of my life have been Sagittarians and that i detect that I actually like those persons, besides the certainty that it is not in any respect been a romantic situation. they're purely solid-natured and relaxing. 2) No, I hardly like Libras as persons, besides the certainty that that's a great sign. 3) sure - the boy that I dated throughout severe college and who I evaluate my very first love grow to be a Leo. different than that, however, i haven't fallen in love with the different Leos. 4) Taurus and Capricorn are very properly, yet i haven't gotten romantically in touch with the two. I did prefer to word, however, that numerous of the human beings i've got dated have been my ascendant sign - i contemplate whether anyone else has experienced a organic charm to human beings whose sunlight sign is their ascendant?

Answer 8

the particles that made the "wind" are just too faint, or disperse, thats why a solar sail should be from the size of the texas state to be effective

Answer 9

They never landed.
Also to answer other answers- the shielding to resist that type of rediation was not possible in the time of the moon landing, as it would have had to have been three feet thick using what they used.
and also, without a magnetic field the solar radiation would kill you. When Mars lost its magnetic field millions of years ago, its atmosphere was ripped off.