The 21st parallel south is a circle of latitude that is 21 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America. (Wikipedia).
Solution #35 Walk Near North Pole and South Pole!
Solution #35 Walk Near North Pole and South Pole!
From playlist Solutions to Bi-weekly Physics Problems
December 21, Enjoy Winter/Summer Solstice
December 21, Enjoy Winter/Summer Solstice
From playlist Short Videos
You're there, and I'm here. And we're all on the Earth. But where is the Earth? In the Solar System, obviously, which is in the Milky Way, and so on. Think about your place in the cosmos, your exact spot in the Universe relative to everything else. It's time to get your bearings, and once
From playlist Planets and Moons
Moving the South Pole - Sixty Symbols
Each year the geographic south pole marker is moved (and replaced) as the Antarctic ice slides across the continent. This year we had a man on the scene - astrophysicist Denis Barkats. More videos from Denis at the pole are coming soon. Visit our website at http://www.sixtysymbols.com/ We
From playlist Antarctica and South Pole - Sixty Symbols
Local Time (2 of 2: International Date Line, example questions)
More resources available at www.misterwootube.com
From playlist Working with Time
Astronomy - Ch. 2: Understanding the Night Sky (3 of 23) Why Do We Have Seasons?
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain how the Earth's tilt affect the seasons.
From playlist ASTRONOMY 2 THE NIGHT SKY
Teach Astronomy - Galactic Coordinates
http://www.teachastronomy.com/ Astronomers use a special set of coordinates to define the position of objects within the Milky Way galaxy. The galactic equator runs along the center of the Milky Way band. Galactic longitude, abbreviated by the small letter L, is the angular distance alon
From playlist 18. Galaxies
Astronomy - Ch. 2: Understanding the Night Sky (13 of 23) Why Do We Have Seasons?
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain why we have seasons.
From playlist ASTRONOMY 2 THE NIGHT SKY
Solstice and Equinox - Sixty Symbols
Summer solstice, equinox, Stonehenge and strange movements of the sun. Sixty Symbols tracks the sun's passage through the sky. More physics and astronomy at http://www.sixtysymbols.com/ Follow us on Twitter at http://twitter.com/#!/periodicvideos And Facebook at http://www.face
From playlist Cool Things to Know -- LEANBACK #7
Determining clockwise vs counter clockwise rotations
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also important to understand the direction that you will
From playlist Transformations
CGSR | Thinking about Sub-threshold Competition- How to Constrain an Opponent Short of War
By Dr. Sidharth Kaushal Abstract: As western nations adapt to the events in Ukraine, a key question they will face is how to constrain a rival that they do not wish to directly fight. Discussions about sub-threshold competition thus far have, through a focus on specific instruments, obscu
From playlist Center for Global Security Research
Bootheels and Honey Bees: The forgotten history of Missouri's Borders
Missouri played a significant role in both the pre-history and history of early European settlement of North America. But when it applied for statehood in 1818, it represented the pressing challenges facing the United States. This is original content based on research by The History Guy
From playlist US History
"State of Faiths" In The World Today
Professor Miroslav Volf introduces the topic to the class and then David Martin delivers his lecture.
From playlist Faith and Globalization
Skynet University: http://skynet.unc.edu/introastro Use Our Telescopes From Anywhere! Astronomy 101: The Solar System Lesson 1: Celestial Motions Topic: Seasons Next: Precession (http://youtu.be/kSYlNr8uKB8) Previous: Solar vs. Sidereal Time (http://youtu.be/3ncrEEiwlvc) Related
From playlist UNC: Astronomy 101 by Skynet University | CosmoLearning.org Astronomy
Mailbag Monday Dave opens his mail, just in time for the Back To The Future 30th anniversary! October 21st 2015 Forum: http://www.eevblog.com/forum/blog/eevblog-809-mailbag/ SPOILERS: http://www.radiomods.co.nz Back To The Future October 21st 2015 CNC Crafted OUTATIME number plate: https:
From playlist Mailbag
Chicago's Lost 'L' Train to Milwaukee Wisconsin
The Chicago North Shore and Milwaukee Railroad (reporting mark CNSM), also known as the North Shore Line, was an interurban railroad that operated passenger and freight service over an 88.9-mile (143.1 km) route between the Chicago Loop and downtown Milwaukee, as well as an 8.6-mile (13.8
From playlist IT'S HISTORY Feature Videos
OCR 21st Century Science (Physics P4,5&6, June 2015) - GCSE Phyics Questions - SCIENCE WITH HAZEL
In this GCSE Physics revision video, Hazel answers the OCR 21st Century Science Physics A ( P4, 5 and 6, June 2015, Higher Tier) past paper. These videos are designed to help with your GCSE science revision. For additional support Like Hazel's Facebook Page https://goo.gl/w2261M Hazel c
From playlist OCR 21st Century Science Exam Papers //
Astronomy - Ch. 2: Understanding the Night Sky (8 of 23) Understanding Celestial Coordinates
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the coordinates of the celestial sphere.
From playlist ASTRONOMY 2 THE NIGHT SKY
On September 29, 2015, Bruce Riedel, Senior Fellow at the Brookings Institution, discussed his new book, JFK’s Forgotten Crisis: Tibet, the CIA, and the Sino-Indian War. Please credit the John F. Kennedy Library Foundation.
From playlist Interviews and Talks