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This animation explains what happens during a solar eclipse. It discusses the five phases of all eclipses and discusses the difference between the umbra and the penumbra.
(Source: DCMP)
Find out how Albert Einstein used the totality phase of the 1919 solar eclipse to prove his theory of relativity, which predicts that large objects bend “space-time” towards themselves.
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on the solar eclipse. Part of the Science Video Vocab Series.
David Boboltz of the National Science Foundation provides information on where to obtain the appropriate glasses to view the solar eclipse. He advises those wishing to view the eclipse to check with their local libraries and various online sources.
David Boboltz of the National Science Foundation provides tips for safely viewing the solar eclipse. He advises viewers to use the appropriate glasses leading up to and after the moment of totality.
David Boboltz of the National Science Foundation explains the hazards of not wearing the appropriate glasses to view the solar eclipse on August 21, 2017. Those wishing to view the eclipse need to make sure they have approved solar glasses so they do not damage their eyes.
A total eclipse of the sun is the greatest spectacle in our solar system. Gives an in-depth explanation as time-lapse images capture the full impact of this event. Begins with a discussion of lunar eclipses before moving on to examine auroras. Explores the causes of auroras, and gives examples of two: the Aurora Borealis and the Aurora Australis.
What can people expect to see on August 21, 2017? It depends on where one is located. David Boboltz of the National Science Foundation describes the path of the solar eclipse.
Earth's moon was probably formed when a body the size of Mars collided twice with the planet. The moon is steadily receding into space; eventually, due to the loss of this lunar regulator, Earth will start to wobble, creating climatic chaos. Eclipses can be also seen often when the sun obscures the moon or vice versa. Another light show, the Aurora, occurs when electrified particles from the solar wind interact with Earth's upper atmosphere and is visible particularly in the Polar Regions.
A total solar eclipse will occur on August 21, 2017. It will track from Oregon to South Carolina. David Boboltz from the National Science Foundation describes what viewers can expect to see in various locations.
Bill Nye uses simple experiments to illustrate the moon's orbit of the earth, its phases, and its lunar and solar eclipses. Explains the moon's glow, its possible origin, and its gravity. Demonstrations clarify scientific facts and principles.
It is a fireball in the sky, a bubbling, boiling, kinetic sphere of white hot plasma, exploding and erupting. Its size is almost unimaginable--one million Earths would fit within its boundaries. In this violence is born almost all the energy that makes existence on Earth possible. Yet, its full mysteries are only now beginning to be understood. From sunspots to solar eclipses, solar flares to solar storms, the birth of the sun to its potential death, discover the science and history behind this celestial object that makes life on Earth exist.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, in the middle of the day, the sun gradually vanishes. Moko is frightened and wonders what wizard could do such a thing. With the village wise man, they set out to find the sorcerer who made the sun disappear. They question all the sorcerers they know but fail to find the one responsible for such an act. So they decide to join all the people of their village and the neighboring villages and watch the sky. An old woman watches them, smiling. She explains that when she was a child the same thing happened, but that the world would become normal again. And indeed the sun returned at the end of the solar eclipse. Moko told himself that perhaps the sun was simply tired and for once decided to go off and take a nap.
Solar power is defined as the energy produced by converting sunlight into heat or electricity. It is one of the most abundant and affordable sources of energy available. However, it is difficult to harness (and even impractical) in some parts of the world, so it is important to explore the process of converting sunlight to power. Shows three primary ways to produce solar power on a large scale: solar power–generating plants, photovoltaic cells, and solar thermal heaters.
Our Sun is a nuclear reactor converting hydrogen to helium continuously. X-ray and telescopic images reveal the Sun's photosphere and chromosphere, sun spots, solar flares and winds, and prominences. Describes each and its impact on Earth. Covers some of the Sun's mysteries, and projects what will eventually happen to our closest star.
Can people in remote rural areas who are far from electric generating plants get power for their lights and appliances? Solar cells make it possible. Mechanical and electrical engineers at the US Department of Energy's Sandia National Laboratories take viewers through the process of designing and installing solar cell panels in remote locations.
Discover what happens at the outer edges of the solar system where solar wind interacts with interstellar space. The Interstellar Boundary Explorer (IBEX) is a mission to study the boundary between the solar system and interstellar space. It collects data that shows the global structure and dynamic nature of the heliosphere.
The Solar Decathlon is an annual event where collegiate teams design, build, and operate solar-powered homes. In 2011, it was held on the Mall in Washington D.C. Twenty solar-powered homes were sprawled across the mall’s west end, transforming it from a park into something that resembled a quirky housing development.
Arizona gets plenty of sunlight, and researchers there are working hard to turn that energy into electricity. At Arizona State University, graduate student Brad Brennan makes and tests new materials that will allow industry to build smaller, cheaper, flexible photovoltaic solar cells that can go almost anywhere.
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3D models and images of the entire periodic table of elements
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