Search Results: "absorption nebulae"

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01:25
Sodium Absorption Lines

414 views / 0 likes - added 3 years ago

Burning of sodium bicarbonate in Bunsen flame produces sodium absorption lines in continuous spectrum. Sodium 'D' line absorption shows up as a black line in the yellow of a continuous spectrum. Good as a simulation of the sodium portion of the Fraunhoffe
12:16
Nebulae: Crash Course Astronomy #36

598 views / 2 likes - added 8 years ago

Astronomers study a lot of gorgeous things, but nebulae might be the most breathtakingly beautiful of them all. Nebulae are clouds of gas and dust in space. They can glow on their own or reflect light from nearby stars. When they glow it’s usually predomi
11:10
White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

512 views / 0 likes - added 8 years ago

Today Phil follows up last week’s look at the death of low mass stars with what comes next: a white dwarf. White dwarfs are incredibly hot and dense objects roughly the size of Earth. They also can form planetary nebulae: huge, intricately detailed object
02:20
How to make NebulArt

283 views / 0 likes - added 3 years ago

Find out how to make your own NebulArt in Astronomy at Home.Nebulae are regions of gas and dust in space where stars form. They emit light in many different wavelengths but humans can only see a small portion of this light - visible light. Thankfully, we
08:53
How Atomic Spectroscopy Reveals the Secrets of Space

297 views / 0 likes - added 3 years ago

Arguably the most likely way we will first discover alien life on another planet will be using the power of atomic spectroscopy. You can grab the Map of Quantum Physics here https://store.dftba.com/collections/domain-of-science/products/map-of-quantum-phy
01:11 Popular
Mystery Balloon Pop - Sick Science! #190

882 views / 0 likes - added 8 years ago

One balloon is blown up inside of another when you use a magnifying glass to focus light onto their surfaces. You expect the balloons to pop, but only the balloon on the inside bursts. What's going on here? The Mystery Balloon Pop is a tremendous lesson i
04:09
We Just Found a MAJOR Clue About How Life Started in the Universe Thanks to Buckyballs

394 views / 0 likes - added 4 years ago

NASA's Hubble Space Telescope discovered these electrically charged molecules shaped like soccer balls. These "buckyballs" could shed insight on the creation of stars and planets. Up above most of the atmosphere, the Hubble Space Telescope had an unobstru
02:43 Popular
How Do We Know What Air Is Like On Other Planets?

898 views / 0 likes - added 8 years ago

How do we know what the air is like on planets we haven't visited? This video explains how to see air from 150 light years away. Thanks to NASA’s James Webb Space Telescope project at the Space Telescope Science Institute for supporting this video. Link t
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12:40
You Won't Believe Space Objects Like These Are Real | Hubble Images Episode 11

146 views / 0 likes - added 2 years ago

Showcasing the stunning nebulae in our galaxy as seen by Hubble.Get MagellanTV here: https://try.magellantv.com/astrum and get an exclusive offer for our viewers: an extended, month-long trial, FREE. MagellanTV has the largest and best collection of Scien
06:47
Inside an ICE CAVE! - Nature's Most Beautiful Blue

598 views / 0 likes - added 6 years ago

Learn more at http://curiositystream.com/smart Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Step beneath this glacier in 360˚ virtual reality! https://youtu.be/xWL-zXFWClE Where do glaciers and icebe
11:05 Popular
Digestive System, Part 1: Crash Course A&P #33

1,788 views / 5 likes - added 8 years ago

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime
03:35
Does Sparkling Water Ruin Your Teeth?

669 views / 0 likes - added 8 years ago

Studies have shown that carbonated water— also known as sparkling water— can be dangerous to your teeth, but why? Why Do We Like Bubbly Drinks? ►►►► http://bit.ly/20cPphB Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Carbo
03:33 Popular
Land And Water: Crash Course Kids #16.1

1,217 views / 2 likes - added 8 years ago

Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different materials. In fact, even a
03:57
This Could Be the End of Urban Astronomy (360 Video)

501 views / 0 likes - added 6 years ago

City lights are blinding our view of space, and its forcing urban astronomers to rethink the way they make observations. To make matters worse, a change in the type of lights being used could be the end of some observatories. Plunging Down an Ice Track at
04:16 Popular
How Does Our Skin Turn Sunlight Into Vitamin D?

1,284 views / 0 likes - added 8 years ago

We know vitamin D is good for us and that we get it from the sun, but how exactly does our skin make it? Do Vitamins Really Improve Health? ►►►► http://bit.ly/1RZ4T8j Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Vitamin D
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16:32
The Absurd Search For Dark Matter

201 views / 0 likes - added 1 year ago

This video is sponsored by Brilliant. The first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription. Astronomers think there should be 5 times as much dark matter as ordinary matter – a shadow universe that m
04:27
NASA’s New Planet Hunter: TESS

511 views / 0 likes - added 6 years ago

NASA’s Transiting Exoplanet Survey Satellite (TESS) will find undiscovered worlds around bright nearby stars, providing targets where future studies will assess their capacity to harbor life. TESS is a NASA Astrophysics Explorer mission, led and operated
03:30
Everything You Need To Know About Avocados

628 views / 2 likes - added 7 years ago

Avocados are a fan favorite fruit (yes, avocados are a fruit) and can be paired with just about anything. But are they good for you? Is Health Food Making You Fat? - https://youtu.be/hh48_Kwt88s Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1P
11:13
The World in UV

533 views / 0 likes - added 5 years ago

UV cameras expose a hidden world and reveal the incompleteness of our perception The Physics Girl looks at sunscreen: https://youtu.be/GRD-xvlhGMc How to make sunscreen from scratch: https://youtu.be/lMXAY5F28L0 In summary, ultraviolet light interacts dif
04:54
How Your Digestive System Fights Pathogens

548 views / 0 likes - added 3 years ago

Our digestive system does a lot more than just break down food for us. It actually has a role in our immunity. In this episode, Patrick explores how immune system checkpoints within the digestive tract protect us from pathogens. Subscribe to Seeker! http:
11:14 Popular
The Milky Way: Crash Course Astronomy #37

776 views / 0 likes - added 8 years ago

Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway out from the center. The disk has grand spiral patterns in it, formed
53:42 Popular
John Tyndall: The Physicist Who Proved the Greenhouse Effect - with Paul Hurley

756 views / 0 likes - added 3 years ago

John Tyndall worked on diamagnetism, explained why the sky is blue and discovered the mechanism for the greenhouse effect. He also gave hundreds of public lectures at the Ri, and was an avid mountaineer and poet. And all this before his beloved wife accid
03:14
Do Photons Cast Shadows?

537 views / 0 likes - added 4 years ago

Thanks to CuriosityStream for their support. Go to http://www.curiositystream.com/minutephysics to watch Particle Fever and get Nebula! Support MinutePhysics on Patreon! http://www.patreon.com/minutephysicsLink to Patreon Supporters: http://www.minutephys
04:38
Scientists May Be One Step Closer to Figuring Out How Fast the Universe is Expanding

370 views / 0 likes - added 4 years ago

Scientists have long been aware of the universe's expansion. However, there is much debate among scientists on just how fast the universe is expanding. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylistT
04:32 Popular
How Does Cooking Affect Nutrients in Veggies?

886 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions Vegetables are chock-full of essential vitamins and minerals, but how should you eat them to get the most nutritious bang for your buck? Raw? Sauteed? Frozen? You might want to eat those fresh green beans right away,
04:07
This Brainless Organism is Mapping Dark Matter

327 views / 0 likes - added 4 years ago

The food-seeking behavior of slime mold is helping astronomers map dark matterheres how. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeker.com Scientists are trying
12:16
SUNSCREEN in UV

480 views / 0 likes - added 5 years ago

How to Make Everything Video: https://youtu.be/lMXAY5F28L0 Veritasium Video: https://www.youtube.com/watch?v=V9K6gjR07Po To learn more about CuriosityStream, go to http://curiositystream.com/physicsgirl Creator: Dianna Cowern Videography: Chris Peck, Dian
13:20
A secret from everyone but the film industry

347 views / 0 likes - added 3 years ago

Kodak detected the first atomic bomb before anyone else figured it out. Then they made a deal not to tell anyone. Thanks to HBO Max, and their new show raised by Wolves for sponsoring this video! https://rb.gy/alghwnThanks to Uranium: Twisting the Dragon'
12:17 Popular
High Mass Stars: Crash Course Astronomy #31

964 views / 1 likes - added 8 years ago

Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos,
28:01
How Hidden Technology Transformed Bowling

233 views / 0 likes - added 2 years ago

Bowling has been reinvented many times over the past seven thousand years but especially in the last 30. This is the fascinating physics of balls, oil, lane and pins. A portion of this video was sponsored by Salesforce. Go to https://salesforce.com/verita
03:52
Our Best View Of Bacteria Is...From Space?!

369 views / 0 likes - added 4 years ago

Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/Observing the effects of microbes using satellites can give us all sorts of useful information about life on Earth ... and other planets too.Thanks also to our Pat

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