Category Archives: astronomy

Giant balloon-like structures discovered at center of Milky Way – ScienceBlog.com

An international team of astronomers, including Northwestern’s Farhad Yusef-Zadeh, has discovered one of the largest structures ever observed in the Milky Way. A newly spotted pair of radio-emitting bubbles reach hundreds of light-years tall, dwarfing all other structures in the central … Continue reading

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For first time, astronomers catch asteroid in the act of changing color – ScienceBlog.com

Last December, scientists discovered an “active” asteroid within the asteroid belt, sandwiched between the orbits of Mars and Jupiter. The space rock, designated by astronomers as 6478 Gault, appeared to be leaving two trails of dust in its wake — … Continue reading

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Earth’s Rotation Visualized in a Timelapse of the Milky Way Galaxy by Aryeh Nirenberg

Although the Earth rotates below the sky, aerial time-lapse videos often have the perspective of a celestial scene rushing above the ground. In this brief video by Aryeh Nirenberg, the Milky Way becomes completely stationary, highlighting specifically the Earth’s rotation. … Continue reading

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Skywatching Spider Photobombs Perseid Meteor Shower

How do you spot a “shooting star”? Well, you don’t look for eight legs; that’s for sure. But a NASA camera designed to photograph meteors spotted more than it bargained for during the Perseid meteor shower, when a curious spider … Continue reading

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Einstein was right about relativity, UCLA says — for now – ScienceBlog.com

More than 100 years after Albert Einstein published his iconic general theory of relativity, it is beginning to fray at the edges, said Andrea Ghez, UCLA professor of physics and astronomy. Now, in the most comprehensive test of general relativity … Continue reading

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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

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The most detailed map of galaxies, black holes and stars ever made | Juna Kollmeier

 

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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

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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

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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

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