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Browse results: Cosmology

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RESOURCE	GRADE LEVEL	MEDIA TYPE
Astronomical Images in Different Wavelengths Visible light is just one portion of the electromagnetic spectrum that a telescope may detect. This collection of images produced for Teachers' Domain features radio wave, infrared, visible light, and X-ray images of distant stars and galaxies as well as images of the telescopes designed to detect the various wavelengths of radiation.	6-12	Interactive
The Beginnings of the Telescope This animated essay from the NOVA Web site examines the design of Galileo's refracting telescope and Sir Isaac Newton's reflecting telescope.	6-12	Document
Birth of a Supernova, Type Ia In this interactive activity from NOVA Online, learn about a type of exploding star — a Type Ia supernova — that is so bright that astronomers can measure the distance to the galaxy in which it resides, and even learn which elements make up the star.	6-12	Interactive
Birth of a Supernova, Type II In this interactive activity from NOVA Online, learn about a type of exploding star — a Type II supernova — that is so large it has a mass 10 times greater than the mass of our Sun.	6-12	Interactive
Detecting Life on Other Planets In this video from NOVA scienceNOW, learn how scientists detect potential signs of life on distant planets.	6-12	Video
Einstein: A Timeline of His Life This illustrated timeline from the NOVA Web site follows Albert Einstein's life, including 1905, his "Miracle Year," during which he developed his Special Theory of Relativity and the equation, E=mc².	6-12	Document
Einstein: How Smart Was He? This essay from the NOVA Web site explores the impact Einstein made on physics and most everything we know about the cosmos.	6-12	Document
The Electromagnetic Spectrum: FRONTLINE This video segment adapted from FRONTLINE introduces the electromagnetic spectrum and explains how the various types of electromagnetic waves are distinguished by the amount of energy each wave carries. Accessibility features: Caption	6-12	Video
The Electromagnetic Spectrum: NASA From radio waves to gamma rays, this video segment from NASA introduces the seven categories of the electromagnetic spectrum and how each type of radiation is part of our everyday lives. Accessibility features: Caption	3-12	Video
The Elements: Forged in Stars The story of how elements from lithium to uranium are created by stars is illustrated through animation and a hands-on periodic table in this video segment adapted from NOVA. Accessibility features: Caption	6-12	Video
Galileo on the Moon Watch Apollo 15 astronaut David Scott perform Galileo's falling objects experiment on the Moon in this video segment from NASA. Accessibility features: Caption	6-12	Video
Galileo's Telescope The invention of the telescope helped change our understanding of the universe. This video segment adapted from NOVA looks at Galileo's contribution to this technology. Accessibility features: Caption	6-12	Video
Gravity and the Expanding Universe This video segment, adapted from NOVA, traces the evolving history of theories about gravity and a force that may oppose it, and the impact of both on our expanding universe. Accessibility features: Caption	6-12	Video
History of the Universe This interactive timeline from the NOVA Web site recaps the theoretical origin and formation of the universe, and forecasts its eventual fate.	6-12	Interactive
How Big Is the Universe? In this media-rich essay from the NOVA Web site, astronomer Brent Tully of the University of Hawaiʻi walks you through the latest scientific theories about the size of the universe.	6-12	Document
Hubble's Expanding Universe This adapted video segment, using footage from NOVA and NASA, examines Edwin Hubble's work and how his findings laid the foundation for the Big Bang theory. Accessibility features: Caption	6-12	Video
The Light Stuff This interactive activity from the NOVA Web site asks which items in your home can slow down the speed of light.	6-12	Interactive
The Origin of the Elements This video segment adapted from NOVA explains the origin of the elements and how scientists use unique element profiles to identify supernova types. Accessibility features: Caption	6-12	Video
Pulsars: Jocelyn Bell In this video segment adapted from the NOVA, we meet Jocelyn Bell, a graduate student responsible for the discovery of pulsars. Accessibility features: Caption	6-12	Video
Pulsars: Little Green Men The story behind Jocelyn Bell's role in the discovery of pulsars is told in this colorful, comic-book-style resource from A Science Odyssey Web site.	6-12	Document