A second set of gravitational waves have been detected

Readers may recall when we covered the first detection of gravitational waves from space, heralding a new era in astronomy. It was big news. Now, a second detection has been announced. From NASA’s Astronomy Picture of the Day: (h/t to Dr. Leif Svalgaard) A new sky is becoming visible. When you look up, you see…

This is an artist's impression of the simultaneous stellar eclipse and planetary transit events on Kepler-1647. Such a double eclipse event is known as a syzygy. CREDIT
Lynette Cook

NASA confirms discovery of ‘Tatooine’ planet

Largest crowdsourced astronomy network helps confirm discovery of ‘Tatooine’ planet. Led by Lehigh University professor Joshua Pepper, team includes nearly 40 members in 10 countries across 4 continents; Measurements by Swarthmore faculty and amateur astronomer in Portugal, helped verify new planet Kepler-1647 Crowdsourcing is used for everything from raising funds to locating the best burger…

Light pollution now blots out the Milky Way for eight in 10 Americans. Bright areas in this map show where the sky glow from artificial lighting blots out the stars and constellations. An international team of researchers has released the new World Atlas of Artificial Sky Brightness, in a paper published in Science Advances today.
Falchi et al, Science Advances; Jakob Grothe/National Park Service, Matthew Price/CIRES/CU-Boulder.

Milky Way now hidden from one-third of humanity

From the UNIVERSITY OF COLORADO AT BOULDER and the “I blame Edison” department. The Milky Way, the brilliant river of stars that has dominated the night sky and human imaginations since time immemorial, is but a faded memory to one third of humanity and 80 percent of Americans, according to a new global atlas of light…