Questions tagged [interplanetary-medium]

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What is the density of the solar system per cubic light second outside the Jupiter ecliptic?

I have been unable to find any research on particle density over 1 cSecond above or below the ecliptic in regions with a gravitational field with an acceleration less than 1/1000 of meter per second ...
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How far above the Earth's surface does interplanetary space begin?

The Kármán line is often cited as the beginning of outer space. The Voyager probes have identified the boundary between the heliosphere and interstellar space. Is there a agreed upon definition of ...
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Why would the interplanetary medium atomic hydrogen Lyman‐α emission fall as 1/r rather than1/r^2?

The Live Science article NASA Spotted a Vast, Glowing 'Hydrogen Wall' at the Edge of Our Solar System links to Geophysical Research Letters The Lyman‐α Sky Background as Observed by New Horizons https:...