Sun Leaves No Shock Wave in its Wake The sun and all that surrounds it — us included — are having a slower ride through space than originally thought, new findings from a NASA satellite show. Precise measurements of neutrally charged particles such as helium flowing into the solar system from interstellar space show the heliosphere — the region of space under the sun’s influence — is moving at 52,000 mph relative to the outside environment. That’s a change from 59,000 mph measured by NASA’s now-defunct Ulysses spacecraft. keep reading

Sun Leaves No Shock Wave in its Wake

The sun and all that surrounds it — us included — are having a slower ride through space than originally thought, new findings from a NASA satellite show.

Precise measurements of neutrally charged particles such as helium flowing into the solar system from interstellar space show the heliosphere — the region of space under the sun’s influence — is moving at 52,000 mph relative to the outside environment.

That’s a change from 59,000 mph measured by NASA’s now-defunct Ulysses spacecraft.

keep reading

Source: news.discovery.com

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