/sci/ - Science & Math » Thread #12419803

7KiB, 220x220, venus.jpg

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Anonymous Fri 04 Dec 18:21:33 2020 No.12419803 View Reply Original Report

Quoted By: >>12419822 >>12419849 >>12419852 >>12424018

How the fuck does it retain an atmosphere? Are volcanoes just replenishing it despite the extreme solar wind & lack of magnetosphere?

Anonymous

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Anonymous Fri 04 Dec 2020 18:28:30 No.12419822 Report

Quoted By:

>>12419803
That and the atmosphere is relatively young, having been generated by a planet-wide resurfacing event not too long ago in solar system time scales

Anonymous

Anonymous Fri 04 Dec 2020 18:36:45 No.12419846 Report

Quoted By:

Most of the molecules are too heavy to be significantly blown away like CO2.

Anonymous

Anonymous Fri 04 Dec 2020 18:37:14 No.12419849 Report

Quoted By:

>>12419803
The atmosphere erosion is just slow on Venus - it has much more gravity than Mars or Mercury.

Anonymous

Anonymous Fri 04 Dec 2020 18:38:13 No.12419852 Report

Quoted By: >>12421413 >>12423404 >>12423494

>>12419803
It only recently lost its magnetic field. Give it a decade and the atmosphere will be gone without it.

Anonymous

Anonymous Sat 05 Dec 2020 04:33:39 No.12421413 Report

Quoted By:

>>12419852

until we turn it back on

inb4.... Thats Imposssi

Anonymous

Anonymous Sat 05 Dec 2020 17:56:55 No.12423404 Report

Quoted By:

>>12419852
A decade sounds short. It took 500 million years for Mars to lose its atmosphere.

Granted, Venus is closer to the sun, but surely that doesn't mean the atmosphere would be gone in a decade.

Anonymous

Anonymous Sat 05 Dec 2020 18:25:54 No.12423494 Report

Quoted By: >>12423996

>>12419852
Where does it go? Does it hang around the venusian orbit? Does it get expelled from the solar system? Falls into the sun? Trapped in a magnetic mirror?

Anonymous

Anonymous Sat 05 Dec 2020 20:58:53 No.12423996 Report

Quoted By:

>>12423494
Not expelled but very far.
Solar wind is enough for that.

Anonymous

Anonymous Sat 05 Dec 2020 21:06:52 No.12424018 Report

Quoted By:

>>12419803
The atmosphere interacts with the solar winds to create a external magnetosphere.

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