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Mars is the planet in our solar system most similar to Earth. Rumors of life on it may be substantiated as NASA orbiters and rovers discover new evidence of frozen water just beneath the rusty soil. Did alien life exist there? As Earth reels with the effects of global warming, Mars becomes the most likely candidate for eventual human habitation. Cutting-edge computer graphics are used to show what life would be like on Mars, and to imagine what kind of life forms might evolve in alien atmospheres.
(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.
Mars definitely has a reddish tint, and even the ancient Egyptians called Mars “The Red One.” Where does the redness come from? The rocks on Mars are full of iron, and the dust from those rocks swirls around the atmosphere, which makes the planet appear red. Part of the “Mars in a Minute” series.
Volcanoes and earthquakes! Geysers and boiling mud! Natural forces like these have been working for millions of years, changing the surface of the earth. Examines the layers of earth, a history of continental drift, plate tectonics, and other phenomena at work on our planet.
Host Joel Greene finds out where all the grass goes after people mow their lawns. He also provides helpful tips for disposing of yard waste that are beneficial for the environment. Part of the Curiosity Quest Series.
How do you plot a course to Mars, from one moving planet to another? What are the impacts of space travel on the body and can human beings survive the trip? Looks at the plans for a flight to the Red Planet.
Olli has a sore throat caused by pollution, and meets a crazy alley cat with vertigo who cannot stop coughing. Suzie explains how redesigning the town could help clean the air. Part of "My Little Planet" series.
Dylan D'Haeze, a young filmmaker from the San Juan Islands, tackles the issue of plastic trash and its impact on the environment. He learns that plastic waste often ends up in the ocean where it is consumed by marine life or washes up on shores around the world. He is surprised by some of his findings and offers tips on how to help reduce the amount of plastic waste. Part of the "Kids Can Save the Planet" series.
In the last few years, the Red Planet has yielded up many new clues that life may have once existed there...and may even exist there today. There is now proof that water once flowed on the surface, that Mars once had lakes, and that the frozen poles are mostly water. Mars has snow--an aurora--and lightning generated by dust storms. Most intriguing of all are the seasonal plumes of methane that just may point to bacteria living below the surface.
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.
Examines the similarities and differences between Mars and Earth. Comments on the size, color, atmosphere, and temperature of Mars. Includes footage from recent missions to Mars and speculates on possible manned space flights to the Red Planet.
In this episode, Dr. Carolyn Brinkworth explains why the sky is blue. She also discusses what the color of the sky has to do with finding life on distant planets. Part of the "Ask an Astronomer" series.
What does it take to get a spacecraft to Mars? Scientists cover a few key things to remember when planning a trip to the Red Planet. Part of the “Mars in a Minute” series.
The Red Planet, with the most similar environment to Earth in the entire solar system, is a third alternative being explored for colonization. The discovery of ice on its surface has excited and encouraged many space scientists despite the many challenges to establishing a colony on Mars. Part of the "Space Colonies" series.
Before a rover starts exploring a new planet, engineers send computer commands telling it where to go. They can send a string of specific commands, or they can let the rover think on its own. Part of the “Mars in a Minute” series.
Take a high performance ride through the formation of the third planet from the Sun. Learn how Earth was created and discover what creatures hold clues to how life began. What evil forces threaten the demise of Earth? Complex and controversial, this is the scientific detective story of all time. Cutting-edge graphics are used along with the stories of scientists and explorers who dare to venture into the uncharted territory of the cosmos.
Organics are carbon-based molecules and key ingredients to life. Scientists want to know if organics can be found on Mars. However, finding organics is difficult because they easily break down when exposed to harsh things like extreme radiation and chemical oxidants. These broken down particles give the Martian surface its rusty color. Part of the “Mars in a Minute” series.
One of the areas showing the greatest impacts of climate change is Antarctica. These impacts are significant because Antarctica serves as the regulator of global climate patterns and helps redistribute heat throughout the planet. Antarctica also greatly influences the circulation of the world’s oceans’ currents. Due to Antarctica’s influence on global climate patterns, scientists and other experts are working together to ensure the protection of Antarctica’s environment. Chapter 8 of Air: Climate Change Series.
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.
Eco, the little bear, travels around the world observing human interactions with the environment. During his journey, he meets many other friends from the animal kingdom and gets a firsthand look into some of the environmental and social problems facing the planet. Eco and his friends provide ways for humans to ensure a healthy planet for the future. Part of "Eco S.O.S." series.
Showing collections 1 to 5 of 5
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Biology related concepts
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A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
Collection of anatomy resources
A collection containing 21 resources, curated by Benetech
