Week 16: Steelers at Packers Game Highlights 2013
16:58 — Week 16: Steelers at Packers Game Highlights 2013
Backyard Astronomer: July
02:00 — Learn how to locate the summer triangle asterism. Every July, the summer triangle asterism, consisting of Deneb, Vega, and Altair, is visible. The thr (more…)
What Put the Bang in the Big Bang?
01:09 — Find out what most physicists believe caused the "bang" when the universe came into being.
What is Dark Energy?
00:59 — What role does dark energy play in the universe? Astrophysicist Alex Filippenko describes a discovery that changed our understanding of how the univer (more…)
Eclipse History
03:06 — Viewing a solar eclipse is one of the most magnificent of natural phenomenons. Throughout history solar eclipses have almost always accompanied events (more…)
Can Antimatter Naturally Occur?
00:58 — Astrophysicist Alex Filippenko explores whether antimatter can naturally occur in the universe and explains what exactly a positron is.
Backyard Astronomer: The Constellations
02:40 — Learn why constellations are named after Greek mythological figures and how you can spot these constellations at night.
Fire in the Sky
03:21 — Find out why a meteorite became the most important rock in the search for extraterrestrial life.
Backyard Astronomer: February
02:42 — Learn about the winter hexagon and winter triangle asterisms. The winter triangle asterism is inside the winter hexagon asterism and are found by firs (more…)
Behold The Milky Way
02:53 — The Milky Way galaxy consists of 100 to 300 billion stars and is made up of three main parts, the disk, the halo, and the galactic bulge.
Backyard Astronomer: November
01:45 — The Leonids Meteor shower can be viewed the best in Fall, in the November night sky. The Leonids meteor shower can be seen in the South in November. T (more…)
Backyard Astronomer: December
02:06 — Learn about the Geminid meteor shower. Every year around December 13th to 14th and peaking at 2:00 am, the Geminids from the Gemini constellation ente (more…)
Faster Than Light Expansion
01:06 — Is it possible for the universe to expand faster than the speed of light, or would that violate Einstein's Theory of Relativity?
Shoemaker-Levy Impact
02:34 — The Shoemaker-Levy asteroid impact on Jupiter in 1994 struck with the force of 6 million megatons of TNT.
Age of The Universe
01:05 — The universe is approximately 14 billion years old, but how have scientists determined this number? Astrophysicist Alex Filippenko fills us in.
Exploding Star Chemicals
01:02 — Are heavy chemical elements produced by star explosions? If so, how do we know this?
The Next Asteroid Impact?
02:51 — Astronomers have found an asteroid that could impact earth in the year 2036.
Magnetic Apocalypse
03:17 — Solar flares on the sun's surface can catastrophically damage the earth's electrical infrastructure.
Ancient Eclipses
03:36 — Ancient astronomers developed sophisticated tools to predict solar eclipses.
Interstellar Neighborhood
03:23 — Our corner of the Milky Way galaxy is in an ideal area to sustain life.