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13,817,736 results
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, ...
5,212,843 views
10 years ago
Today Phil explains how telescopes work and offers up some astronomical shopping advice. Check out the Crash Course ...
1,602,236 views
A strange visitor from beyond our solar system zoomed past Earth in 2017, leaving scientists puzzled. Join us in this Supercut as ...
1,213,276 views
2 days ago
In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength ...
2,571,448 views
9 years ago
Astronomers say they have discovered "the strongest evidence yet" of life on a distant planet, although, they stress that more ...
14,169 views
7 days ago
Today Phil's explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a ...
2,048,366 views
Astronomers look beyond the thin veneer of the atmosphere protecting life on Earth to discover what lies beyond. Now we must ...
10,176 views
2 years ago
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with ...
2,145,889 views
Live at 9.
24 views
We've covered a lot of incredible stuff, but this week we're talking about the weirdest objects in space: BLACK HOLES.
2,751,679 views
Embark on a fascinating journey through the wonders of our universe in this mind-expanding exploration of celestial marvels and ...
1,924,508 views
1 year ago
Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, ...
1,595,865 views
Scientists just made a HUGE discovery about the universe. It has to do with gravitational waves - the ripples in space-time all ...
8,224,104 views
For most of human history, understanding the night sky was not the preserve of scientists, but a precious tool for our survival.
13,154 views
4 months ago
There are many famous astronomers throughout history. This video introduces six of these famous stargazers chronologically and ...
721 views
5 months ago
A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or ...
1,159,025 views
Tens of thousands of years ago, First Nations Australians looked up on pristine dark skies and formed a complex understanding of ...
683 views
When Starliner astronauts Barry "Butch" Wilmore and Sunita Williams were launched into space in June 2024, they were planning ...
9,952 views
1 month ago
A early look inside the new Astronomy Discovery Center at Lowell Observatory in Flagstaff.
3,198 views
In this episode, Dave Eicher invites you to go out and spot the many planets currently in our night sky. You'll see four of the five ...
834 views
2 months ago
Astronomers studying a massive planet more than a hundred light-years from Earth have come across a major hint, showing there ...
5,053 views
Friday night, seven planets will align in a 'planetary parade.' Astronomer Mark Hammergren joins the WGN Early Morning News to ...
14,577 views
Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant and has a broad set of rings made of ice ...
1,571,993 views
Everyone in this video was tested for COVID-19. We will continue to adhere to local guidelines and safety precautions for the ...
2,209,137 views
3 years ago
The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you.
1,918,158 views
Who we are? Where do we come from and where are we going? How and why was the Universe born? These are some of the ...
128,209 views
4 years ago
As we approach the end of Crash Course Astronomy, it's time now to acknowledge that our Universe's days are numbered.
2,297,667 views
---------------------------------------------------------------------------------- What's the difference between an astronomer and an astrophysicist?
74,586 views
5 years ago
Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, ...
1,035,586 views