Markus Pössel
Sources of Gravitational Waves: The Most Violent Events in the Universe
In the third and final article in our gravitational wave guide, we explain what kinds of events can generate these…
Gravitational Wave Detectors: How They Work
Time to brush up on your gravitational wave basics, if you haven't done so! In Gravitational waves and how they…
Gravitational Waves and How They Distort Space
It's official: on February 11, 10:30 EST, there will be a big press conference about gravitational waves by the people…
How Does Rosetta’s Comet Compare with Alpine Mountains?
There have been some cool visualizations showing the size of the nucleus of the target comet of ESA's Rosetta mission…
Kickstarting the Youngest Astronomers with “Universe in a Box”
Most children are naturally interested in science. And if you've ever heard a five-year-old recite complicated dinosaur names, or all…
See Light Pollution in Action
Like anyone else who's ever looked up at the night sky in any but the smallest cities, I've seen light…
Behind the Scenes: The “Making Of” the First Brown Dwarf Surface Map
By now, you will probably have heard that astronomers have produced the first global weather map for a brown dwarf.…
Proposed Changes to NASA’s Education and Outreach – A View from the Outside
The first Moon landing inspired a whole generation of scientists and engineers. And NASA, to its great credit, didn't rest…
This Diagram is Better than 183,487 Images
When it comes to immediate and widespread appeal, astronomical diagrams have it tough. There's a reason we have Most Awesome…
Guest Post: The Cosmic Energy Inventory
[/caption] Now that the old year has drawn to a close, it's traditional to take stock. And why not think…