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Part of the Project-Based Inquiry Science "Earth Science Content Videos" series. Modules include the following: "Introduction: Demolition Derby," "Fire Syringe Demonstration," "Formation of the Moon Animation," "Doppler Shift: Train Whistles," "Kepler: A Search for Habitable Planets," and "A Hubble Space Telescope Discovery."
The Atacama large Millimeter/Sub-millimeter Array, or ALMA, is a vast array of radio telescopes and the most powerful observatory of its kind. ALMA is stationed in the Atacama Desert of Chile which is one of the world’s best sites for observational astronomy because of the high altitude, nearly non-existent cloud cover, dry air and lack of light pollution and radio interference due to the small populations. ALMA peers into previously hidden regions of space with unprecedented sharpness and sensitivity.
Visible light, which can be seen with human eyes, comprises a small sliver of the electromagnetic spectrum. The rest of the spectrum, from short wavelength gamma rays to long-wavelength radio waves, requires special instruments to detect. ALMA uses an array of radio telescopes to detect and study radio waves from space. ALMA is an advanced tool for studying very old stars and galaxies. These objects now are seen at great cosmic distances, with most of their light stretched out to millimeter and sub-millimeter wavelengths by the expansion of the universe. ALMA provides the unprecedented ability to study the processes of star and planet formation.
Ancient civilizations such as the Babylonians, the Chinese and the Greeks studied the stars without the benefit of telescopes and yet identified patterns of stars that are still used today. These early scientists collected the first data in the science of astronomy. This program provides students with a summary of the history of astronomy and highlights many important astronomers.
Galileo, Newton, and Einstein make appearances in this segment. Through lyrics, they explain the contributions they made to astronomy. Part of the "Space School Musical" series.
Why does the moon seem to follow a moving car? This and other simple astronomy questions are answered in this short animation. Part of the “Everyday Science for Preschoolers” series.
NASA astronaut Dorothy Metcalf-Lindenburger flew with the crew of STS-131 to the International Space Station and logged more than 362 hours in space. She is a former earth science and astronomy teacher and was selected as a mission specialist in May 2004. Part of the "Women@NASA" series.
This award-winning documentary on LIGO, NSF's Laser Interferometer Gravitational Wave Observatory, examines how LIGO is spearheading the new field of gravitational wave astronomy and opening a whole new window on the universe. LIGO's exquisitely sensitive instruments may ultimately take scientists farther back in time than ever before, catching, perhaps, the first murmurs of the universe in formation.
Actors portray prominent scientists and astronomers as they present the history of astronomy from Plato to Newton in its historical and cultural contexts. The Greeks reasoned that the universe was geocentric--the earth was at its center. Not until Copernicus did the theory of the sun as center take root. Each major astronomer declares his different theory until Newton's answers all questions about gravitational pull between planets.
Using crisp images and lifelike animations, this program introduces students to the intriguing realm of stars and galaxies. The main characteristics of galaxies and stars are discussed. Special attention is given to the features of stars, including size, temperature, and brightness. The life cycle of a star is also highlighted, as are the tools used by astronomers to study space. Additional concepts and terminology illustrated in the video include: universe, telescope, satellites, constellations, star color, spectrum, gas, light-year, and black hole.
Students investigate properties of the Sun. Special attention is given to other celestial bodies in space such as asteroids and comets.
Our solar system is a fascinating place. Colorful images illustrate the major planets and their unique characteristics. Special attention is paid to what makes Earth unique in the solar system.
Discover how impact craters can provide insight into the history of the solar system. Scientists compare impact craters that have changed over time with fresh craters to determine how landforms have evolved.
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.
Learn about powerful cyclones happening on Saturn. From a distance, Saturn appears to be serene; however, the Cassini spacecraft has provided detailed views that show the planet's active atmosphere.
Explains why Earth is precious and how it is being damaged. Special attention is paid to how individuals can conserve natural resources and care for the planet.
Highlights the limited information scientists have about the many moons in our solar system. Presents theories of origin and composition. Mixes graphics with pictures taken from spacecrafts.
Joe Pesce, a National Science Foundation astrophysicist, answers questions about black holes. Part of the "Ask a Scientist" series.
Dr. Varoujan Gorjian discusses the ways galaxies might die. They could collide with one another, and sometime they run out of energy. Part of the "Ask an Astronomer" series.
Bill Nye explains how NASA successfully steers the “Juno” spacecraft into orbit around Jupiter. Nye reveals the science behind interplanetary navigation. Part of the “Why With Nye” series.