We can't see the heliosphere. We know where it starts but not really where it ends. And we are pretty certain that most stars, and therefore most planetary systems, are bounded by heliospheres, or "astropheres," as well. It has a measurable physical presence, but it is always changing. And although it is hardly well known, …
“Nature Has Become More Beautiful.” Physicist Eugene Parker and his Life Unlocking Secrets Of The Sun
When Eugene Parker was 16 years old, he decided he didn't want to spend the summer hanging out in suburban Detroit. So Parker went up to the state capital looking to buy some tax delinquent land held by the state. He selected a 40-acre piece of woods in far-off Cheboygan County, not far from …
Touching the Sun
The Parker Solar Probe is the stuff of superlatives and marvels. Later this week, it will pass but 5.3 million miles from the sun -- much closer than Mercury or any other spacecraft have ever come -- and it will be traveling at a top speed of 101 miles per second, the fastest human-made object …
Many Worlds 