Browse results: Composition of the Universe

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3D Space: Illusion or Reality?

3D Space: Illusion or Reality?

This video excerpt from NOVA’s "The Fabric of the Cosmos: What Is Space?" reveals new data about black holes that has led to a new idea about the universe: Instead of everything being a three-dimensional object, it’s possible that everything is actually just a hologram. OER Level

Accessibility features: Caption, Transcript

9-12

Video

Above the Clouds: Telescopes on Mauna Kea

Above the Clouds: Telescopes on Mauna Kea

This video segment adapted from First Light explains why the highest peak in the Pacific, Mauna Kea, is an ideal site for astronomical observations. Featured are new telescope technologies that allow astronomers to explore the universe in more depth.

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6-12

Video

All Planet Sizes

All Planet Sizes

This illustration from the Lunar and Planetary Laboratory shows the approximate sizes of the planets relative to each other. Note that the planets are not shown at appropriate distances from the Sun. OER Level

3-12

Image

Are We Alone?

Are We Alone?

This video segment adapted from NOVA features a variety of scientific perspectives on the age old question, "Are we alone in the universe?" Animations make vivid the improbability that we could intercept a radio wave signaling extra terrestrial intelligence.

Accessibility features: Audio Description, Caption

6-12

Video

Astronomical Images in Different Wavelengths

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. OER Level

6-12

Interactive

Astronomy Theories

Astronomy Theories

This video segment from Swift: Eyes through Time deals with the advancement of science through changing existing ideas, refuting outdated theories, and incorporating new findings. OER Level

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5-8

Video

Birth of a Supernova, Type Ia

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

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

Caves: Extreme Conditions for Life

Caves: Extreme Conditions for Life

This video segment adapted from NOVA raises the provocative idea that if life can exist in the most extreme environments on Earth — such as in dark, toxic caves — then perhaps living things can also survive in harsh environments on other planets. OER Level

Accessibility features: Audio Description, Caption

6-12

Video

Creativity in Science

Creativity in Science

This lesson will take a look at the different roles scientists play in discoveries.

5-8

Lesson Plan

Detecting Life on Other Planets

Detecting Life on Other Planets

In this video from NOVA scienceNOW, learn how scientists detect potential signs of life on distant planets. OER Level

6-12

Video

Earth, the Universe, and Culture

Earth, the Universe, and Culture

The following lesson will help the students understand the cultural nature of scientific research.

5-8

Lesson Plan

Eclipse of the Century

Eclipse of the Century

This video segment adapted from NOVA features spectacular footage from the 1991 solar eclipse that fortuitously occurred directly over several major astronomical observatories in Hawaiʻi. OER Level

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3-12

Video

Exoplanets

Exoplanets

This video segment from IdahoPTV's D4K shows the tools scientists use to search for exoplanets and describes possible characteristics a planet might have to support life. OER Level

Accessibility features: Caption, Transcript

4-9

Video

Explore the Moon

Explore the Moon

See what it is like to walk on the Moon by viewing this collection of QuickTime images from NOVA Online. Stunning 360-degree panoramas from each of the six successful Apollo Moon landings are featured.

3-12

Interactive

Extreme Temperatures on the Moon

Extreme Temperatures on the Moon

In this video segment adapted from Interactive NOVA, astronaut John Young experiences extreme temperatures on the Moon that are a result of the Moon's low gravity and lack of atmosphere. OER Level

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3-12

Video

Galileo: Discovering Jupiter's Moons

Galileo: Discovering Jupiter's Moons

This video segment adapted from NOVA shows how Galileo, using his newly developed refracting telescope, observed four of Jupiter's moons, the first astronomical bodies to be discovered since ancient times. OER Level

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3-12

Video

Galileo on the Moon

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. OER Level

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3-12

Video

Galileo: Sun-Centered System

Galileo: Sun-Centered System

In the early 1600s, most people believed that the Sun revolved around a stationary Earth. This video segment adapted from NOVA tells how Galileo proved that the Sun, not Earth, is at the center of our universe. OER Level

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3-12

Video

Galileo: Sunspots

Galileo: Sunspots

This video segment adapted from NOVA shows how Galileo used his telescope to carefully observe and study sunspots. OER Level

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3-12

Video

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