‘A Universe From Nothing’ by Lawrence Krauss, AAI 2009 – YouTube
“Lawrence Krauss gives a talk on our current picture of the universe, how it will end, and how it could have come from nothing. Krauss is the author of many bestselling books on Physics and Cosmology, including “The Physics of Star Trek.””
ISS Tour – Welcome To The International Space Station! – YouTube
No explanations on the first trip but keep watching because, on the second, he tells you what everything is and who everyone is.
The annihilating effects of space travel
“Long distance space travel could create the ultimate ‘killer entrance’, devastating your destination and anything around the arriving spacecraft, according to calculations by Professor Geraint Lewis and two honours students from the University of Sydney.”
Geologic map of Jupiter’s moon Io details an otherworldly volcanic surface
“More than 400 years after Galileo’s discovery of Io, the innermost of Jupiter’s largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map of the Jovian satellite. The map, published by the U. S. Geological Survey, depicts the characteristics and relative ages of some of the most geologically unique and active volcanoes and lava flows ever documented in the Solar System.”
Posted from Diigo. The rest of Look Up! Educator Network group favorite links are here.