Joshua specializes in Mathematics and Physics at Portland State University.

How to Destroy a Planet: The Physics of the Death Star

The science behind the Star Wars destruction device.

August 1, 2015

What’s the Smallest Possible Size of a Star (and why isn’t Jupiter one)?

Stars come in a diverse range of sizes and characteristics, but what is the smallest possible size for a star? For a long time, we didn’t know, but in 2014, astronomers finally received an...

April 15, 2015

Astronomy Photo of the Day: 12/15/14 — The Rosette Nebula

This is the Rosette Nebula (more formally known as Caldwell 49, or NGC 2237): an H II region found in the constellation of Monoceros. Additionally, it lurks on the outer edge of a giant...

December 15, 2014

Astronomy Photo of the Day: 12/05/14 — The Smoke Nebula

This wispy, one-of-a-kind ‘nebula’ is aptly named the Smoke Nebula (formally known as NGC 7841). It’s one-of-a-kind in the fact that if you were to look on the NGC/IC Project...

December 5, 2014

The Biggest Shockwave Ever Created by Earth

The loudest sound ever recorded in human history wasn’t created by a human-made explosion, but instead it was created by the Earth itself. Creating a shockwave 100,000 times more powerful than a...

October 8, 2014

Using Earth to Find Alien Life

At the moment, there is only one place humans can look to understand life in the universe, and that place is obviously Earth. For astrobiologists, Earth is an invaluable tool. Obviously, if you were...

October 8, 2014

China Might Build a “LHC Dwarfing” Particle Collider

When particle colliders get this big, we start calling them “super colliders,” well, that is exactly what China is planning to build. If successful, this super collider would catapult China onto...

October 6, 2014

Do Periods Actually Make Women Moody?

AsapSCIENCE answers the age old question: Do periods actually make women moody. It’s kind of a “yes and no” thing since they must dive into the differences between menstruation and...

October 6, 2014

Why do we Keep Going Back to Mars?

Recently, NASA’s MAVEN spacecraft and India’s Mars Orbiter Mission entered into Martian orbit. They represent two new probes in a long series of robots that have been sent to the Red Planet. These...

October 6, 2014

Cosmic Rays Give up Hints about Dark Matter

The Alpha Magnetic Spectrometer (AMS) is a particle detector on board the International Space Station. One of it’s primary missions is to help scientists study dark matter. It has already analyzed...

October 5, 2014
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