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Astrophysics

Explanation: Could this close-by asteroid ever hit the Earth? Eventually yes -- but probably not for a very long time, even though the asteroid is expected to pass inside the orbit of the Moon next century. However, to better understand the nature and orbit of all near-Earth asteroids, NASA sent the robotic Origins, Spectral Interpretation, Resource Identification,

A Lecture I attended a last year! Found the video by the Geological Society of London! Copied Video's Description: Why Earth developed into the crucible of life, and Venus into a hostile wasteland https://www.youtube.com/watch?v=o5FrCUQrFjs The present-day differences in the expression and intensity of volcanism on the planets of the inner solar system serves a testament to the

Venus and the Triple Ultraviolet Sun Image Credit: NASA/SDO & the AIA, EVE, and HMI teams; Digital Composition: Peter L. Dove (http://www.flickr.com/photos/pldove/) Explanation: An unusual type of solar eclipse occurred in 2012. Usually, it is the Earth's Moon that eclipses the Sun. That year, most unusually, the planet Venus took a turn. Like a solar

New video by Kurzgesagt – In a Nutshell. Sharing this as it's very interesting for all to know :)   The first 688 people to use this link will get 20% off their annual membership: http://brilliant.org/nutshell Finding alien life on a distant planet would be amazing news - or would it? If we are not the only

THE ORIONID meteor shower promises to dazzle stargazers with a spectacular display of shooting stars TONIGHT. But what is the best time too watch the meteor shower?

Dark Molecular Cloud Barnard 68  Image Credit: FORS Team, 8.2-meter VLT Antu, ESOExplanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. The eerily dark surroundings help

Eclipsosaurus Rex  Image Credit & Copyright: Fred Espenak (MrEclipse.com)Explanation: We live in an era where total solar eclipses are possible because at times the apparent size of the Moon can just cover the disk of the Sun. But the Moon is slowly moving away from planet Earth. Its distance is measured to increase about 1.5 inches (3.8 centimeters) per year due to tidal

Global Aurora at Mars  Image Credit: MAVEN, LASP, University of Colorado, NASAExplanation: A strong solar event last month triggered intense global aurora at Mars. Before (left) and during (right) the solar storm, these projections show the sudden increase in ultraviolet emission from martian aurora, more than 25 times brighter than auroral emission previously detected by the orbiting MAVEN spacecraft. With a

Image credit: ESA/Hubble & NASA Text credit: European Space Agency This beautiful Hubble image reveals a young super star cluster known as Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, yet home to one of the largest stars ever discovered. Stars are classified according to their spectral type, surface temperature, and luminosity.