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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 term galaxy. Part of the Science Video Vocab Series.
(Source: DCMP)
There isn't an easy answer to the question: What is the nearest galaxy to the Milky Way? The Andromeda Galaxy is the closest complete galaxy; however, astronomers have found several dwarf galaxies orbiting the Milky Way. Part of the "Ask an Astronomer" 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.
During a trip to CERN in Geneva, Switzerland, host Dianna Cowern discusses dark matter with a theoretical physicist. Scientists at CERN are using the Large Hadron Collider to search for dark matter. Part of the "Physics Girl" series.
In this episode, scientist Steve Lord explains the relationship between gravity and the shape of galaxies. Gravitational forces from the galaxy's core causes all the stars to rotate. This rotation causes spiral waves. Part of the "Ask an Astronomer" series.
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.
Depicts the different stages in the birth and death of stars, including the sun. There are 100 billion stars in the Milky Way galaxy alone, and there are 100 billion galaxies. Provides an overview of radiated energy, which is in all wavelengths; nuclear fusion; and fierce magnetic fields, which create all solar events. Explains that the length of a star's life and how it dies are determined by gravity and how gravity is proportional to size.
Hannah’s musical friends continue their journey through space. In this segment, they sing and dance through space with the sun and planets. Part of the "Space School Musical" series.
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.
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 term asteroid. Part of the Science Video Vocab Series.
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 term universe. Part of the Science Video Vocab Series.
A black hole is a region of space having a gravitational field so intense that no matter or radiation can escape. In this episode, host Dianna Cowern leads a discussion on black holes and reviews Stephen Hawking's last paper on black holes. Part of the "Physics Girl" series.
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."
What happens when black holes collide? What is the speed of gravity? There are so many weird questions related to gravitational waves, and host Dianna Cowern interviews Dr. Michael Landry for a better understanding of gravitational waves. Part of the "Physics Girl" series.
The sun's powerful, warm rays light up the sky with brilliant color and heat. The changing cycles of the sun can affect the earth and its living organisms. The sun is similar to a living organism-just as humans are born, grow older, and die, so too will the sun. When this happens, the rest of the solar system will have no future.
How far is a star or a galaxy? Scaling and measuring the cosmos is a complex problem. Scientists are integrating mathematical applications and scientific technology to create measurement standards. Distances are so vast they are described in light years, and nearby stars are measured by trigonometry. Farther out, astronomers use standard candle measurement for deep space exploration.
Documents efforts to contact and communicate with potential extraterrestrial life and interstellar space. Attempts to answer the question: Are we alone? Looks at the Drake equation, the standard for anyone seeking to find the number of planets with intelligent life in the Milky Way galaxy. Discusses the pioneering research at the Search for Extraterrestrial Intelligence Institute (SETI) based in Mountain View, California.
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.
