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Optical instruments
It about the optical devices-the eye, telescope, image beyond 2F length, image at infinity and telescope.
NASA
What's the Difference Between Asteroids, Comets, and Meteors? We Asked a NASA Expert
Asteroids, comets, and meteors: what's the difference? These space rocks each have their own unique attributes. But differences aside, these fascinating objects are all worthy of study. Just ask @NASA Jet Propulsion Laboratory scientist...
NASA
Hubble's Galaxy-Observing Superpowers
The Hubble Space Telescope is keeping watch over many, many galaxies using the combined superpowers of its incredible optics and a quirk of nature called gravitational lensing. Credit: NASA’s Goddard Space Flight Center/Katrina Jackson...
Physics Girl
World’s Largest Camera Lens
The world's largest digital camera is currently being assembled at a warehouse in California. We caught the short window of time to see the camera's massive lens.
NASA
NASA's Curious Universe: Interpreting Our Universe
You’ve probably seen beautiful images of space taken from telescopes around the world and out in orbit. But how does a bunch of intergalactic information become a vibrant photograph? And what else can we see, feel, and hear from that...
Curated Video
Our Solar System
Satellite footage, telescopic photos and animation are used to teach students about the many fascinating aspects of our solar system. Viewers are introduced to ancient astronomers, telescopes, observatories and space exploration....
Flipping Physics
Kepler's First Law of Planetary Motion
A brief history of geocentric and heliocentric solar system models are discussed. Kepler's first law is defined. How to draw an ellipse is demonstrated. Planet eccentricities are discussed. This is an AP Physics C: Mechanics topic....
NASA
Tour Stunning Hubble Nebulae Images
Over the years, the Hubble Space Telescope has taken hundreds of images of different kinds of incredible nebulae in our universe. A nebula is a giant cloud of dust and gas in space. There are different types of nebulae, ranging from...
Professor Dave Explains
Artificial Satellites of Earth and Their Orbits
Our solar system is full of incredible objects, and some of them are manmade! Beyond the probes we've sent to observe other planets, we've put countless objects up into orbit to perform a variety of functions. What are these, where are...
NASA
Hubble’s Servicing Mission 3B
Servicing Mission 3B was actually the fourth visit to Hubble. NASA split the original Servicing Mission 3 into two parts and conducted 3A in December of 1999. During SM3B a new science instrument would be installed: the Advanced Camera...
NASA
Hubble’s New View of Mars and Planets
The Hubble Space Telescope is more well known for its picturesque views of nebulae and galaxies, but it's also useful for studying our own planets, including Mars. Hubble imaged Mars on May 12, 2016 - ten days before Mars would be on the...
Science360
Telescopes on Earth Explore Space's Secrets
Exploring the mysteries of dark energy and black holes. Identifying exoplanets. Capturing the origins of galaxies. Just some of what's happening at ground-based observatories -- windows on the universe that allow researchers to gaze...
ProTeachersVideo
Careers: Rocket Scientist
A rocket scientist talks about why she finds her career so exciting in this video for secondary PSHE or science students.
Dr. Maggie Aderin explains where her passion for space comes from and talks about the learning difficulties she...
TMW Media
Magical Glass Technology: What other products use glass and how
In a wafer, what are the limits to glass and what is a possible solution? Magical Glass Technology, Part 2
Next Animation Studio
$10 billion dollar telescope reaches magical spot in space
The $10 billion James Webb Space Telescope has safely arrived at Lagrange Point 2 — and it’s now getting ready to look back in time to 13.7 billion years ago.
Professor Dave Explains
Edwin Hubble, Doppler Shift, and the Expanding Universe
So we've made it all the way to the 20th century with the history of astronomy. Plenty had to happen to get us to that point, but the most amazing stuff is yet to come! Shortly after Einstein did his best work, a guy named Edwin Hubble...
Science360
Universe Quest
Carl Pennypacker at UC Berkeley runs Universe Quest, a summer program supported by the National Science Foundation to engage girls in science exploration. We follow along with a group of Girl Scouts who get to look through a world-class...
Curated Video
Measuring with Nonstandard Units
In this video, the teacher explains how to measure objects using smaller, equally sized objects as units of length. By comparing the size of different objects like crayons, paper clips, and blocks, students learn how to determine the...
Next Animation Studio
Science’s ‘most important tool’ finally ready to launch
The $0.5 billion James Webb Space Telescope became a $10 billion device when NASA spent billions to fix the design of its giant sunshield’s deployment mechanism.
Visual Learning Systems
Stars and Galaxies: Tools of Astronomy
Upon viewing the Stars and Galaxies video series, students will be able to do the following: Explain that our solar system is part of the Milky Way galaxy. Understand that the Milky Way galaxy is huge and contains billions of stars....
Kids Learning Videos
Planets in our Solar System for Kids | Kids Learning Videos
Planets in our Solar System: Planets for Children and kids This video will is full of fun facts about the different planets in our solar system. It's a great video for students learning about astronomy in our solar system. Learn about...
Kids Learning Videos
The Planets! Facts About Our Solar System for Kids
Learn about the planets in our solar system! This video proves some fun facts about each planet that children will love. Preschoolers and toddlers can enjoy pictures and video of the planets while learning about these celestial bodies....
Curated Video
Most detailed images of the sun
Telescope in Hawaii captures cell-like structures on turbulent solar surface
Curated Video
Spitzer Space Telescope: NASA shuts down prolific observatory
Spitzer contributed to advancing human knowledge of black holes and the birth and death of stars.