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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.
(Source: DCMP)
Discover how scientists compare the reflected red, blue, and green light from planets in the solar system to identify distant planets. Carolyn Crow, an astronomer, describes how the amount of green, blue, and red light reflected by planets can be plotted. A diagram compares the color data of the planets and shows that Earth is easily distinguishable by its blue color.
Are planets still being formed? Dr. Debra Fischer answers this and other questions about the Cosmos. Part of the "Ask a Scientist" series.
Astronomers are beginning to locate thousands of planets that exist outside of the solar system. Scientists provide a behind-the-scenes look at the simple technique that astronomers are using to discover these curious new planets. Part of the "Science Out Loud" series.
New discoveries regarding the Outer Planets are creating a fundamental rethinking of our solar system. Uranus is a toxic combination of hydrogen, helium and methane. Scientists speculate that the planet was knocked on its side after colliding with another body. Neptune's largest moon, Triton, is cold and barren, but some scientists speculate that liquid water might exist under Triton's icy surface. Cold and inhospitable, Pluto completes one orbit around the solar system every 248 years. Cutting-edge computer graphics are used to bring the universe down to earth to show what life would be like on other planets, and to imagine what kind of life forms might evolve in alien atmospheres.
Hubble has studied all of the planets in the solar system except Mercury. Some of Hubble's notable accomplishments include observations of the climate of Venus, dust storms on Mars, the impact of a comet on Jupiter, the rings of Saturn and Uranus, Neptune's immense storms, and dwarf planets such as Pluto, Ceres, and Eris.
Learn the three criteria for classifying planets and discover why Pluto is now considered part of the Kuiper belt. When Pluto was discovered in 1930, it was classified as the ninth planet in the solar system. However, advances in technology brought about new knowledge of Pluto, and it is now recognized as a dwarf planet.
Scorched by their proximity to the sun, Mercury and Venus are hostile worlds. One is gouged with craters from cosmic collisions, and the other is a vortex of sulfur, carbon dioxide, and acid rain. Prime examples of planets gone awry, do they serve as a warning for ominous scenarios that might someday threaten Earth? Cutting-edge computer graphics are used to show what life would be on other planets and to imagine what kind of life forms might evolve in alien atmospheres.
The planets closest to the sun, often referred to as the inner planets, are the focus of this program. Colorful animations, along with images captured by space probes, illustrate the characteristics of Mercury, Venus, Earth, and Mars. The fundamental structure of the solar system and the process by which planets revolve around the sun are discussed. Special attention is given to the features that make Earth unique in the solar system. Important terminology includes: sun, orbit, revolve, gravity, inertia, rotation, axis, atmosphere, and spacecraft.
Dwarf planets are a lot like regular planets. They both have enough mass and gravity to be nearly round, and they both travel through space in a path around the Sun. However, the path of the dwarf planet is full of objects like asteroids. A regular planet has a clear path around the sun.
In 1977, Voyagers I and II left Earth for deep space exploration and a close-up view of the edges of our solar system. Reveals how the space shuttles used the gravitational fields from surrounding planets to slingshot themselves through the outer planets. Voyager II's graphics and real pictures of Neptune and Uranus help explain their features, axis, rings and moons, and magnetic fields. Also notes some peculiar facts about each.
Students explore the outer planets of the solar system. Vivid, colorful images transmitted by exploratory spacecraft serve as the basis of this video tour of Jupiter, Saturn, Uranus, and Neptune. Often referred to as the "gas giants," the unique features of these large and distant planets are described. Jupiter's Giant Red Spot, Saturn's colorful rings, and the fierce storms of Neptune are highlights of the program. Important terminology includes: sun, rotation, revolution, orbit, ellipse, gravity, inertia, telescope, Hubble telescope, exploratory spacecraft, asteroid belt, meteoroid, and comet.
Is there life on other planets? How can it be found? Presents the scientific theory of life's beginning and evolution on earth before considering life within our solar system and beyond. Discusses possible planet formation from stellar dust and technology's place in locating such planets.
In this episode, host Margaret Thompson discusses the discovery of exoplanets. Exoplanets are planets revolving around other suns in the universe. The first exoplanet was discovered in 1995, and recently NASA has reported the discovery of over three thousand exoplanets.
Satellite footage, telescopic photos, and animation are used to teach students about the many aspects of the solar system. Viewers are introduced to ancient astronomers, telescopes, observatories, and space exploration. Students will discover facts about planets, orbits, gravity, revolution, and rotation. The program also features discussions of the sun, comets, asteroids, and meteors. Part of the Real World Science series.
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.
Gabriela, Manuel and Leonardo are three friends who accidentally start a rocket that takes them to space. Their journey through space takes them to different planets and strange worlds. Throughout their journey, they have the help of Maqui, an on-board computer. Maqui helps them learn about the universe. Manuel, Gabi and Leo find themselves on a planet where there is always a full moon. The friends and Maqui take the time to learn about the phases of Earth’s moon. They also learn about the moons of other planets.
The engineers at NASA are studying two new technologies to help image distant Earth-like planets. Coronagraphs are tiny instruments fitted inside telescopes to block light and help scientists study clues as to whether life is present on a planet. Starshades also block light and produce clearer photographs of distant planets. Both of these technologies are used with telescopes and provide scientists with enhanced photographs of space. Part of the “Crazy Engineering” series.
Gabriela, Manuel and Leonardo are three friends who accidentally start a rocket that takes them to space. Their journey through space takes them to different planets and strange worlds. Throughout their journey, they have the help of Maqui, an on-board computer. Maqui helps them learn about the universe. While they were playing around with water pistols, Manuel and Leo get Maqui wet. They must land soon so Maqui can dry out. They arrive at a desert planet and soon realize water is not available on all planets.
Gabriela, Manuel and Leonardo are three friends who accidentally start a rocket that takes them to space. Their journey through space takes them to different planets and strange worlds. Throughout their journey, they have the help of Maqui, an on-board computer. Maqui helps them learn about the universe. After an emergency landing, the kids arrive at a planet with rings. While visiting, they help the king reconstruct an ice ring around his planet. In this adventure, Gaby, Manuel and Leo learn how rings form around planets.
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