Search results for “#astronomy”

ScienceCasts: August 2017: A Big Month for Astronomy

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. The Perseid meteor shower will peak on August 11, 12, and 13, and a Total Solar Eclipse will be visible in the United States from coast to coast on August 21. (This video is from 2017)

Was The Wow! Signal From Aliens?

Back in 1977, Jerry Ehman detected what he thought could have been radio signals coming from an alien civilization. This signal, called the “Wow” Signal after the notes written in Ehman’s findings, has for decades been used as evidence that there is other intelligent life out there. But was this act

Where Did Life Come From?

Click here to see more videos: https://alugha.com/LifesBiggestQuestions Our earth is really old. Estimates put the age of our earth at 4.5 billion years. For 1.5 billion years, it was desolate, no life existed. But Somewhere around 3 billion years ago, life began to sprout on planet earth. Scientis

The Nebra sky disk

The Nebra sky disk is the world's oldest known concrete representation of astronomical phenomena and is more than 3600 years old. It shows a crescent moon, the full moon - sometimes interpreted as the sun - and a total of 32 stars. Author: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Rei

What Is Dark Matter?

Click here to see more videos: https://alugha.com/LifesBiggestQuestions 80 percent of our universe is made up stuff that doesn’t emit light or energy, and can't be directly observed. This is called dark matter. Many scientists believe its there, because there are, how to put this, hints that it exi

Why Do We Have Leap Years?

Every four years, we get an extra day in February. Who decided this, and what's the point? Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://alugha.com/LifeNoggin Life Noggin is a weekly animated educational series. Whether it's scie

What If The Earth Was Bigger Than The Sun

In case you didn’t know, the sun is bigger than the Earth. Yes, form here, the sun looks like its no bigger than the Moon. But that’s because of how far away it is from the Earth. 150 million kilometers to be exact. So how big is the Sun? The Sun’s radius is 695700 km. The Earth’s radius is 6371 kil

ScienceCasts: NASA's Next Great Space Telescope

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. Assembly of NASA's next great space observatory, the James Webb Space Telescope, is underway. It will show researchers the first stars and galaxies that formed in the early universe. JWST WebbCam: http

Galileo Galilei's discoveries

Galileo Galilei's telescope was a milestone for his astronomical observations. One major finding: The Milky Way is not a nebula, but consists of millions of stars. However, he was wrong about the cause of the tides. Authors: ZDF/Terra X/S. Hillmann/B. v. Dadelsen/S. Utzt/C. v. Westphalen/M. Mohr T