sun

Showing 42 posts tagged sun

How Do We Know How Old the Sun Is? The Royal Observatory, Greenwich, and animation studio Beakus join together to explain how Kepler and Newton’s laws help us figure out the weight of the sun, how the age of our solar system can be calculated by studying meteorites, and how that data helps us determine the sun’s age.

Previously from the Royal Observatory Greenwich, Measuring the Universe, and more videos about the sun.

Bill Nye The Science Guy bikes down a long road in wide open country to demonstrate a scale model of the solar system – a classic clip. Total distance of his ride to Pluto, back before Pluto was known as a dwarf planet: almost 2.5 miles (4 kilometers).

Related links: Scale of the Universe, Distance to Mars, and If the Moon Were Only One Pixel.

Related watching: Carl Sagan’s Pale Blue Dot, animated, Charles and Ray Eames’ Powers of Ten, Veritasium’s How Far Away is the Moon?, and the Royal Observatory’s Measuring the Universe.

Switch this video to HD full screen and marvel at the incredible detail in which we can now observe the sun, our closest star. This video is filled with year four highlights from the Solar Dynamics Laboratory (SDO), and it’s incredible.

Previously, the Solar TErrestrial RElations Observatory (STEREO), and Jewel Box Sun: how SDO converts the wide range of invisible wavelengths into colorized images that our human eyes can see.

via Discover.

This breathtaking video of the Aurora Borealis is not a time-lapse video — this is what it looks like in real time. It was filmed in Yellowknife, Northwest Territories, Canada by astro-photographer Kwon O Chul, and not only displays the bright northern lights and these rather magical looking glowing teepees, but also sets them to the awed, ambient sounds of tourists in the cold night air.

A related must-watch: How the Aurora Borealis is created.