Tagged: gravity

String theory – Brian Greene

String theory – Brian Greene

Physicist Brian Greene explains superstring theory, the idea that miniscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.

Asteroids: Fun Facts and Information About Asteroids

Asteroids: Fun Facts and Information About Asteroids

Despite their size, asteroids can be dangerous. Many have hit Earth in the past, and more will crash into our planet in the future. That’s one reason scientists study asteroids and are eager to...

“Andromeda Once Flew Past Our Milky Way Galaxy At Close Range” –New Discovery Upends Einstein’s Theory of Gravity

“Andromeda Once Flew Past Our Milky Way Galaxy At Close Range” –New Discovery Upends Einstein’s Theory of Gravity

“If Einstein’s gravity were correct, our galaxy would never come close enough to Andromeda to scatter anything that fast,” said Hongsheng Zhao, Reader in the School of Physics and Astronomy. If true, the discovery...

NASA Astronomers: “Pluto is a Planet, So is Jupiter’s ‘Ocean’ Moon Europa”

NASA Astronomers: “Pluto is a Planet, So is Jupiter’s ‘Ocean’ Moon Europa”

Johns Hopkins University scientist Kirby Runyon wants to make one thing clear: Regardless of what one prestigious scientific organization says to the contrary, Pluto is a planet. So, he says, is Europa, commonly known...

“Alpha Centauri Up Close!” –NASA Looks at Using the Sun as a Giant Gravity Lens to Study Alien Planets

“Alpha Centauri Up Close!” –NASA Looks at Using the Sun as a Giant Gravity Lens to Study Alien Planets

The search for a second Earth orbiting another star is one of astronomy’s greatest challenges. It’s a task that each passing day appears close to fruition. Since astronomers spotted the first exoplanet in 1988,...

What Happens When You Die?

What Happens When You Die?

Immediately after you die, your body begins to decompose. Trace thought it would be interesting to take a look at everything that happens after your heart stops beating.

The Boats That Fly

The Boats That Fly

Calling 17 a sailboat is like calling the stealth bomber a plane. It’s not inaccurate, but the picture it makes is incomplete. Waning are the days of billowing spinnakers and yachtsmen in striped ties and blue...