2 spacecraft flew exactly in line to imitate a solar eclipse, capture a stunning image and test new tech

By Christopher Palma, Teaching Professor of Astronomy & Astrophysics, Penn State

During a solar eclipse, astronomers who study heliophysics are able to study the Sun’s corona – its outer atmosphere – in ways they are unable to do at any other time.

The brightest part of the Sun is so bright that it blocks the faint light from the corona, so it is invisible to most of the instruments astronomers use. The exception is when the Moon blocks the Sun, casting a shadow on the Earth during an eclipse. But

Read complete article

~	For Plastics Treaty, End Pollution at its Source

~	Beyond brute strength: A fresh look at Samson’s search for intimacy in the Hebrew Bible

~	Plantation tourism, memory and the uneasy economics of heritage in the American South

~	Fetal autopsies could help prevent stillbirths, but too often they are used to blame mothers for pregnancy loss

~	Fixing Michigan’s teacher shortage isn’t just about getting more recruits

~	PBS accounts for nearly half of first graders’ most frequently watched educational TV and video programs

~	Meet ‘lite intermediate black holes,’ the supermassive black hole’s smaller, much more mysterious cousin

~	If everyone in the world turned on the lights at the same time, what would happen?

~	National parks are key conservation areas for wildlife and natural resources

~	The case that saved the press – and why Trump wants it gone