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Category Archives: Astronomy
From 20,000 miles up, our home planet is a hypnotic swirl of the familiar and the sublime
The Japanese weather satellite Himawari-8 was launched in 2014 for a planned eight-year mission to collect forecasting, weather-monitoring and research data. For his experimental short A Year Along the Geostationary Orbit, the German filmmaker Felix Dierich used Himawari-8 data made … Continue reading
That black hole photo: How event horizons bend time, space, and light | Michelle Thaller
Big Think Published on 2 Jul 2019 Give yourself the gift of knowledge — subscribe to Big Think Edge: http://bit.ly/bigthinkedge The recent photo of a black hole is something extraordinary. Here’s why. – Black holes are usually surrounded by disks … Continue reading
NASA’s Photo Shows Mars’ Grand Canyon in Spectacular Detail
Measuring the length of the entire United States, Mars’ Valles Marineris—Mariner Valley—is an enormous canyon that makes our Grand Canyon appear minuscule. Stretching across a good expanse of the Red Planet, Valles Marineris is captured in spectacular detail thanks to … Continue reading
How to take a picture of a black hole | Katie Bouman
TED Published on 28 Apr 2017 At the heart of the Milky Way, there’s a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close — even light. We can’t see … Continue reading
A Group of Powerful Telescopes Captures the First-Ever Image of a Black Hole
The first-ever recorded image of a black hole has just been released—and it doesn’t look like you might think. Though one might guess that a picture of a black hole would be not much to look at, the image shows a … Continue reading
Astronomers Have Found One of The Universe’s Oldest Star Clusters in Our Own Galaxy
After decades of research, an analysis of light has finally identified the age of an ancient star cluster in the Milky Way. It’s called HP 1, and it’s roughly 12.8 billion years old. That makes it one of the oldest … Continue reading
Why is the universe flat?
Cosmic inflation is a theory that was proposed in the 1980s by cosmologist Alan Guth to answer some of the most fundamental questions of the origins of our universe. It also solved the Horizon Problem and the Flatness Problem.
The Big Bang wasn’t an explosion. Visualize it like this. | Michelle Thaller
Alyssa, you have asked one of the best questions in all of astronomy, the Big Bang was the start of our universe so where was the locale? Where did the Big Bang actually happen? And the reason I like this … Continue reading
