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It Looks Like an Asteroid Strike Can’t Cause a Worldwide, Dinosaur-Killing Firestorm

Computer generated simulation of an asteroid strike on the Earth. Credit: Don Davis/AFP/Getty Images For decades, scientists have debated the cause of the mass extinction that wiped out the dinosaurs and other life 65 million years ago.

Weekly Space Hangout – Jan. 30, 2015

Host: Fraser Cain (@fcain) Guests: Ramin Skibba (@raminskibba) Dave Dickinson (@astroguyz / Special Guest: Paul Hildebrandt from Fight For Space (...) Read the rest of Weekly Space Hangout – Jan.

Exploring the Universe with Nuclear Power

Artist’s concept of a Bimodal Nuclear Thermal Rocket in Low Earth Orbit. Credit: NASA In the past four decades, NASA and other space agencies from around the world have accomplished some amazing feats.

This Comparison of Comet 67/P With Other Solar System Bodies Will Blow Your Mind

Can you see the comet? Four solar system objects adjusted for true brightness counterclockwise from the upper right: Earth, Enceladus, the Moon, and Comet 67/P.

What Asteroid 2004 BL86 and Hawaii Have in Common

Toes of a pahoehoe flow of basaltic lava advance across a road in Kalapana from the Kilauea Volcano in Hawaii (left).

Do You See a Mountain or a Crater in This Picture?

A fresh 1-km wide crater on Mars, captured by the HiRISE camera on the Mar Reconnaissance Orbiter. Or does it look like a mountain to you?

What it Would Look Like if the Sun was Replaced with Other Stars?

How would our horizon look if Earth orbited around another star, such as Alfa-Centauri, Sirius, or Polaris?

Elon Musk and the SpaceX Odyssey: the Path from Falcon 9 to Mars Colonization Transporter

Are we seeing the convergence of a century of space science and science fiction before our eyes? Will Musk and SpaceX make 2001 Space Odyssey a reality?

NASA, Boeing and SpaceX to Launch 1st Commercial Crew Ships to Space Station in 2017

Boeing and SpaceX are building private spaceships to resume launching US astronauts from US soil to the International Space Station in 2017.

Amazing Impact Crater Where a Triple Asteroid Smashed into Mars

A triple crater in Elysium Planitia on Mars. Credit: NASA/JPL/University of Arizona. At first glance, you many not guess that this feature on Mars is an impact crater.

How to Fight for the “Fight for Space” Documentary

Can documentary films actually change the way people think about a topic? Films like “The Thin Blue Line,” “The Triumph of Will,” and “Harlan County USA” are definitely documentaries that swayed both local public opinion and world views on specific topics.

iPhone Astrophotography: How to Take Amazing Images of the Sky with Your Smartphone Tonight!

An Iphone portrait of the classical solar system. All photos credit and copyright: Andrew Symes. Got a smartphone and a telescope?

Astronomers See a Massive Black Hole Tear a Star Apart

When a star encounters a black hole, tidal forces stretch the star into an elongated blob before tearing it apart, as seen in these images from a computer simulation by James Guillochon of Harvard University.

Falcon Heavy Rocket Launch and Booster Recovery Featured in Cool New SpaceX Animation

SpaceX Falcon Heavy rocket poised for launch from the Kennedy Space Center in Florida in this updated artists concept.

NASA and NOAA Satellites Image Crippling Blizzard of 2015 Pounding New England

NASA-NOAA Suomi NPP satellite captures blizzard near peak intensity as it moves over New York and Boston regions at 1:45 am EST, Jan.

Dawn Captures Best Images Ever of “Hipster Planet” Ceres

Animation of Ceres made from images acquired by Dawn on Jan. 25, 2015. (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA) This is the second animation from Dawn this year showing Ceres rotating, and at 43 pixels across the images are officially the best ever obtained!

Luna vs. the Hyades! The 1st of 13 Occultations of Aldebaran Set For January 29th

Getting closer… the Moon and Aldebaran from May 2014. Credit and copyright: Ziad El-Zaatari. The cosmos is continually in motion.

Oldest Planetary System Discovered, Improving the Chances for Intelligent Life Everywhere

An artist rendition of Kepler-444 planetary system, which hosts five planets, all smaller than Earth.

Are Asteroids the Future of Planetary Science?

The asteroid Vesta as seen by the Dawn spacecraft. Credit: NASA/JPL-Caltech/UCAL/MPS/DLR/IDA I don’t think I ever learned one of those little rhymes – My Very Educated Mother Just Served Us Nine Pizzas – to memorize the order of the planets, but if I had, it would’ve painted for me a minimalist picture of the solar system.

“Super Saturn” Has an Enormous Ring System and Maybe Even Exomoons

Illustration by artist Ron Miller of the gigantic ring system around J1407b. (© Ron Miller. Used with permission.) Astronomers watching the repeated and drawn-out dimming of a relatively nearby Sun-like star have interpreted their observations to indicate an eclipse by a gigantic exoplanet’s complex ring system, similar to Saturn’s except much, much bigger. What’s more, apparent gaps and varying densities of the rings imply the presence of at least one large exomoon, and perhaps even more in the process of formation!