Today Phil's explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about ...
Today we are talking about the life -- and death -- of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years.
A series of videos explaing basics of Astronomy from the Big Ban and creation of the Univers, Time and Space down to Solar System.
Like me on Facebook: https://www.facebook.com/DocumentaryKing/ Follow me on twitter: https://twitter.com/DocumentaryKin1 This documentary was made, ...
Double stars are stars that appear to be near each other in the sky, but if they're gravitationally bound together we call them binary stars. Many stars are actually ...
Video lecture discussing the basics of how stars form, and how long they last as hydrogen-fusing Main Sequence stars. I apologize for the pace. I was really tired ...
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 ...
View full lesson: http://ed.ted.com/lessons/how-do-we-study-the-stars-yuan-sen-ting Our best technology can send men to the Moon and probes to the edge of ...
Last week we covered multiple star systems, but what if we added thousands or even millions of stars to the mix? A star cluster. There are different kinds of ...
In the aftermath of a 8 – 20 solar mass star's demise we find a weird little object known as a neutron star. Neutrons stars are incredibly dense, spin rapidly, and ...
Video lecture that explains the apparent motion of stars in the sky using the celestial sphere model and horizon diagrams. Refers to tutorial 2 ("Motion") from ...
Stars are not eternal and unchanging - they are born, live their lives, and then die. The way a star dies depends on its mass. A low mass star ends as a white ...
In 1967, a star was discovered that seemed to be different than most stars, . . . it looked like it was blinking. Hosted by: Reid Reimers ---------- Support SciShow by ...
Here's my twitter feed: http://twitter.com/DeepAstronomy There is a big gap in our observations from the CMB to the first galaxies almost a billion years later.
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye. -- Table of ...
How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early ...
A series of videos explaing basics of Astronomy from the Big Ban and creation of the Univers, Time and Space down to Solar System.
Star test -Arcturus, Procyon.Celestron NexStar 5SE XLT Original: ...
http://www.telescopes-for-amateur-astronomers.com - Our Solar System - Size Of Planets and Stars to Scale.
Shaykh Hamza Yusuf talking about the beautiful view of the sky in the Sahara desert at Yale. For full video visit: https://www.youtube.com/watch?v=ssc_dJjcnv8.
"Universe: Beyond the Millennium" is a television series observing astronomical phenomena, research, and theories on the universe and its origins. Narrated by ...
Birth of Stars. Created by Sal Khan. Watch the next lesson: ...
BIBLICAL ASTRONOMY - A VOICE CRYING IN THE HEAVENS PART 1/4 (PLEASE WATCH THE WHOLE SERIES HERE): ...
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Video lecture discussing the apparent magnitude and absolute magnitude system. Lecture is preparation for the Lecture Tutorial "Apparent and Absolute ...
Imagine trying to make sense of the universe before telescopes were even invented. Jim al-Khalili reveals how scholars from the Islamic world played a crucial ...
Lifecycle of Massive Stars. Created by Sal Khan. Watch the next lesson: ...
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain UBV photometry (measuring brightness of star by its color).
Something massive, with roughly 1000 times the area of Earth, is blocking the light coming from a distant star known as KIC 8462852, and nobody is quite sure ...
Video lecture discussion how astronomers observe eclipsing binary stars, and interpret their light curves.
In this new image of the nebula Messier 78, young stars cast a bluish pall over their surroundings, while red fledgling stars peer out from their cocoons of cosmic ...
Video lecture describing what happens to stars after they complete their Main Sequence lifetimes. Discusses the expansion into a Red Giant and the internal ...
Parallax in Observing Stars. Created by Sal Khan. Watch the next lesson: ...
This is an upload of my star size comparison video for the countries in which the original one has been blocked, due to copyrigt issues of the audio track.
Another version of the stellar parallax introduction. Created by Sal Khan. Watch the next lesson: ...
Jonathan Fay's fascination with outer space began the first time he looked through a telescope. With a little help from his family, the amateur astronomer ...
The Universe Documentary HD - Constellations. A look at some of the 88 constellations in the sky which are arrangements of stars that form a picture or symbol.
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 ...
This simple and engaging activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model. Don't eat the hydrogen!
Science & Reason on Facebook: http://tinyurl.com/ScienceReason Star Size Comparison: The biggest/largest known stars in the Universe. --- Please subscribe ...
White dwarfs are dead stars that continue to glow because of heat, not nuclear fusion. Most stars in our universe will end up as a white dwarf star. Join us to ...
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the relationship between intensity and luminosity. Next video can be ...
The Milky Way is our neighborhood in the universe. It's a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more.
Subscribe Now: http://www.youtube.com/subscription_center?add_user=ehoweducation Watch More: http://www.youtube.com/ehoweducation Determining a ...