Alexander

7 Flips | 4 Magazines | @Alexander7v7i | Keep up with Alexander on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Alexander”

A Vanishing Island, an Alien Mudball, and the Search for Life on Enceladus

<i>Last week, the Lunar and Planetary Science Conference brought more than 1,700 scientists to The Woodlands, Texas. Through presentations and poster sessions, many of the solar system’s worlds briefly had a chance to shine — even the little ones, like comet 67P/Churyumov-Gerasimenko, dwarf planet</i> …

How 40,000 Tons of Cosmic Dust Falling to Earth Affects You and Me

Our bodies are made of remnants of stars and massive explosions in the galaxies, authors say.<p>Astrophysics and medical pathology don't, at first sight, appear to have much in common. What do sunspots have to do with liver spots? How does the big bang connect with cystic fibrosis?<p>Astrophysicist Karel …

Bacteria in space could help create new vaccines - CNN.com

One challenge for astronauts is keeping well nourished and free of infection, especially on long-duration manned missions.<p>HIDE CAPTION<p>Staying healthy in space<p>Life support<p>Breeding bacteria<p>Spirulina<p>Super germs<p>Space Salmonella<p>Super food?<p><i>Editor's note: Since originally publishing this story, we have</i> …

The Shkadov Thruster, or: How to Move an Entire Solar System

In our cosmic megastructures series, PM explores some of the key engineering and design challenges in building gigantic structures for use by humankind in space. Today: the Shkadov Thruster, a mirror potentially larger than the sun.<p><b>Name</b>: Shkadov Thruster<p><b>Named for</b>: Russian physicist Leonid Shkadov, …

Stairway to heaven

“I saw this stairway leading into the Milky Way and figured I would give it a try.”<p>Wesley Liikane caught this shot on the last weekend in June, when …

NASA gives the go-ahead to a rocket designed for deep space exploration

For the past few years, NASA's been working on a powerful rocket called the Space Launch System meant for missions to the moon, Mars and other places far from our planet. While the rocket's not quite ready to take Bruce Willis to an asteroid, it's at least getting nearer to a launch pad -- the …