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The Heliopause is lopsided and the solar wind slows down as it expands.
Average solar wind speed is around 900,000mph on sun spotless days and about 1.7 million miles per hour during solar maximum. Even then solar wind still likely takes years to reach the far side of the Heliopause.
A million miles per hour only works as an over simplified underestimated version of the sun as if the sun is always in solar minimum, even then it's wrong.
The Heliopause is believed to shrink during the solar minimum. Probably shrank a lot during the grand solar minimum. As the probes left during solar maximum peaks.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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