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Questions tagged [solar-wind]

The solar wind is a stream of plasma released from the upper atmosphere of the Sun. It consists of mostly electrons, protons and alpha particles with energies usually between 1.5 and 10 keV.

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When do aircraft become solarcraft?

Any body travelling through particles undergoes drag. Any body able to generate lift (for instance spheres cannot generate lift) can generate lift if it undergoes drag. First by assuming one body in ...
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Capture protons from solar wind

Could it be possible ( using a reasonable amount of energy and ressources ) to capture protons from solar wind on (ex. the moon) in order to produce water for a long term self-sufficient mission. The ...
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Would the Voyager probes go backwards affected by the strong interstellar wind beyond Heliosphere?

The Heliosheath is the solar wind piles up as it presses outward against the approaching wind in interstellar space. It seems the balance in pressure between Heliopause and interstellar wind causes ...
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How much solar wind (mass) hits Mercury's north pole?

I understand the solar wind impacts and sputters the surface of Mercury's north pole due to it's magnetic field deflecting it around the planet.
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Could a spacecraft be propelled by the deflection of a very high number of charged particles?

I am wondering if a spacecraft could be propelled through interplanetary space via the deflection and/or displacement of a very high number of charged particles contained within the Sun's solar wind. ...
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ISS mass gain or loss due to meteoroids, solar wind, and other particles?

A few questions about the mass of the ISS (1, 2, 3) have got me thinking about mass change of the ISS due to natural processes. The ISS has quite a large area exposed to space, and is subject to both ...
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Could the interaction of the Sun’s solar wind and trapped plasma ions be used to propel a rocket through interplanetary space?

I have recently had a renewed interest in comets and how comet tails are formed. From studying this process, a thought occurred to me that perhaps plasma ions can be created within a long hollow ...
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How can a solar storm be predicted?

Satellites like DSCOVR are used to predict solar storms. How does that work? If the satellite is orbiting L1 and "watches" the sun, how can the signal be back on earth before a storm arrives? How ...
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solar systems “Bow Wave” [closed]

could communication with the voyagers eventually be lost due to the solar systems "Bow Wave" Seems this Bow Wave looks like the one that astronaut's capsule's create upon reentry into earths ...
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Atmospheric effects on a space elevator

Were I able to build a space elevator (ignoring for the moment that I can't due to current material science etc), what issues would there be relating to atmospheric conditions? Presumably it would be ...
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Comet at Mars L1

If we placed a comet at Mars L1 point would we get a coma and tail that would add volatiles to the Martian atmosphere? I've also read comets create a bow shock with the solar wind, slowing it down, ...
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How much radiation shielding would be required for a habitat at Mercury–Sun L5?

Given an O'Neill "Island Three" style cylindrical habitat located at Mercury–Sun L5 orbit, how much radiation shielding would be required to protect the occupants, and how would it need to be ...
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What happens to satellites over a million years

I am curious to know what will happen to an average satellite over a 1 million year time span. Firstly, how high does the perigee need to be in order to not deorbit due to atmospheric friction ...
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Is there any safety advantage/disadvantage to a particular attitude of a vessel in space?

Is there any safety advantage/disadvantage to a particular attitude in space - lined up with the sun, sideways, tumbling or spinning? Assuming a long cylindrical space craft on a long journey within ...
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How to check, if there is currently an increased solar activity?

I've got an email, that because of the increased solar activity, more cosmic ray-s are hitting the earth. And for this reason, humans experience more stress and headache. I know, it's not true. But I ...
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How does the Parker Solar Probe's heat shield protect it from dust near the sun?

In this answer the survival of the Parker Solar Probe spacecraft passing as close as 9 solar radii from the Sun's surface is discussed. Using guestimates for apoapsis and periapsis of 1.1 $a_{venus}$,...
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Is it possible to launch a satellite into orbit with a solar sail and a weather balloon using the magnetic poles?

At the poles the solar wind directly impinges. Suppose we put a solar sail satellite in a weather balloon at one of the poles. When it reaches the maximum altitude (~50km) it opens the solar sail and ...
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Would a nuclear propelled spaceship still need a storm shelter?

Assume you have a sophisticated nuclear (thermal or whatever comes to mind) propelled spaceship for your summer vacation on Mars. Half way there Houston calls and informs you about an inbound solar ...
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Place a satellite at Sun-Mars L1 to shield Mars from Sun radiation

Instead of placing many magnetic satellites close to Mars to artificially generate a magnetic field to protect Martian colonists from harming radiation, we could place a magnetic satellite at ...
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How does Venus' thick atmosphere survive against the solar wind?

The traditional explanation for rocky inner planets and large gaseous outer planets is that the outer planets are farther from the Sun, and therefore can hold onto large atmospheres that don't get ...
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How can solar wind be supersonic?

I was reading this Wikipedia article on Heliosphere and was confused a bit: this supersonic wind must slow down to meet the gases in the interstellar medium How can sonic speeds exist in space? ...
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Does solar wind have any influence on probes?

I know that because of the Earth's magnetosphere, we are largely isolated from the influences of the solar winds. But what happens when a probe leaves the Earth's atmosphere and travels inward through ...
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Can electricity be generated from solar storms

If a satellite covered with a thick layer of copper, were to go straight through a solar storm in the opposing direction, would the satellite produce electricity, provided the copper(or other suitable ...
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Durability of solar sails. How big of a problem is high-energy proton flux?

When we think of solar sails, I guess we mostly think of using radiation pressure of our closest star to achieve thrust, gracefully leaning on it with a large area sail of incredibly light and thin ...
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What is the average electrical charge on the lunar surface?

Known facts: The lunar surface is covered by regolith. The Solar wind imparts a charge to the lunar surface Wikipedia says On the daylit side of the Moon, solar ultraviolet and X-ray radiation ...
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Would a solar windmill in space be practical?

From this question we know that solar cells be problematic the farther you get from the sun. We know that solar sails provide viable propulsion far from the sun. Would it be practical to use a solar ...