Measuring the Universe
Just how big is the universe? MinutePhysics presents a quick video that visualizes the vast scope of the universe.
ARVE error: need id and provider
Call Me Stormy
Finding righteous currents in turbulent times
Archive for the tag “astronomy”
Is There Gravity in Space?
In a word, “yes.” Space is packed with gravity. Hank Green explains how gravity works, first described by Isaac Newton, and why even though it seems that things are floating in space, they’re still affected by gravity. Every object in the universe is constantly attracting every other object in the universe.
ARVE error: need id and provider
Birth of a Planet
Astronomers say they may have spotted a possible planet in the dramatic and violent process of being born, an event that may shed light on how large, gaseous planets come into being. The Wall Street Journal‘s Gautam Naik reports.
ARVE error: need id and provider
How Big Is the Universe?
It has NO EDGE. And NO CENTER… or does it? MinutePhysics brings us up-to-date on the latest scientific thoughts regarding the physical dimensions and boundaries of the Universe.
ARVE error: need id and provider
Source of Cosmic Rays Found
A new study using observations from NASA’s Fermi Gamma-ray Space Telescope reveals the first clear-cut evidence that the expanding debris of exploded stars produces some of the fastest-moving matter in the universe. This discovery is a major step toward meeting one of Fermi’s primary mission goals. H/T SpaceRip
ARVE error: need id and provider
What Is the Universe?
minutephysics often tackles the big scientific issues. This episode tackles perhaps the biggest question out there — What is the Universe?
ARVE error: need id and provider
Early Warnings for Meteors
Australian astronomer and popular scientist Fred Watson explains the significance behind Russia’s rare meteor strike and the Earth’s close encounter with an asteroid happening so close together. He says the incidents highlight the need for early warning systems so such celestial bodies can be detected and, if possible, deflected before they strike the Earth. H/T WorldNewsAustralia
ARVE error: need id and provider
Interesting enough, some of the best images of Asteroid 2012 DA14 came from Australia’s Gingin Observatory. Here’s a NASA video from the observatory showing the asteroid darting past the Earth.
ARVE error: need id and provider
Asteroid Heading Our Way
Calling Bruce Willis.
This coming Friday, a 130,000-ton asteroid is set to pass perilously close to Earth. NASA has been tracking the asteroid and believes it won’t strike the planet. But what if NASA is wrong about this projectile, known as 2012 DA14? Robert Lee Hotz from The Wall Street Journal runs down what you need to know.
ARVE error: need id and provider
Meanwhile, new evidence has emerged that another asteroid — although a much larger one — wiped out the dinosaurs. More from Newsy Science.
ARVE error: need id and provider
The Black Hole Galaxy
Astronomers are beginning to unravel the secrets of Messier 106, a nearby galaxy marked by a ravenous black hole at its core and mysterious gaseous arms that spiral outward.
ARVE error: need id and provider
Life of an Astronaut
Astronaut Jerry Carr knows space. As commander of Skylab, he spent more than 2,000 hours in space, orbiting the Earth over 1,000 times. Recounting his life story, Carr remembers the enchanting years he spent at NASA in an animated video from TEDEducation.
ARVE error: need id and provider
