China berates US after ‘close encounters’ with Elon Musk satellites

Beijing urges US to act responsibly after two near misses that it says posed serious threat to astronauts’ lives China has accused the US of ignoring international treaty obligations and engaging in irresponsible and unsafe conduct in outer space after two near misses between the Chinese space station and satellites operated by Elon Musk’s SpaceXContinue reading “China berates US after ‘close encounters’ with Elon Musk satellites”

Post-War Rebuilding and the Cold War: Crash Course European History #41

Sometimes, friendship isn’t forever. At the conclusion of World War II, the old structures of power were a shambles. The traditional European powers were greatly weakened by years of total war and widespread destruction. The USSR was looking to expand its sphere of influence in Eastern Europe, and at the same time, the United StatesContinue reading “Post-War Rebuilding and the Cold War: Crash Course European History #41”

Russia blows up a satellite, creating a dangerous debris cloud in space

The field of debris may be passing by the International Space Station This morning, Russia destroyed one of its own satellites with a ground-based missile, creating thousands of pieces of debris that have spread out into Earth orbit, according to the US State Department. The US has identified more than 1,500 trackable pieces of debrisContinue reading “Russia blows up a satellite, creating a dangerous debris cloud in space”

The Deep Future: Crash Course Big History #10

Finally, after what seems like eons and eons, the end is nigh. We’re talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end of the universe. John and Hank Green will teach you about what the future holds for humanity andContinue reading “The Deep Future: Crash Course Big History #10”

Let’s talk about believing things without evidence – Beau of the Fifth Column

The Sun & The Earth: Crash Course Big History #3

In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We’re going to focus on the formation and development of the Earth, because that’s where people live. You’ll learn about the Solar nebula, the birth of the sun, the formation of planets, and how theContinue reading “The Sun & The Earth: Crash Course Big History #3”

Exploring the Universe: Crash Course Big History #2

In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They’ll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy elements, and eventually created planets.

The Big Bang: Crash Course Big History #1

In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We’re going to start with the Big Bang, take you right through all of history (recorded and otherwise), and even talk a little bit about the future. It is going to be awesome. InContinue reading “The Big Bang: Crash Course Big History #1”

Carl Sagan on Extraterrestrials – Blank on Blank

The incomprehensible vastness of the universe, the wonder of our own place in it all… Carl Sagan was able to explain the science of space in a way everyone could understand. Among his long list of roles and accomplishments, the Cornell professor and NASA advisor is possibly best known for the 13-part television series, Cosmos,Continue reading “Carl Sagan on Extraterrestrials – Blank on Blank”

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