Welcome to orbital dynamics. This is a multi-part course on the basics of orbital dynamics. The orbital dynamicsor orbital mechanics textbooks assumefamiliarity with calculus and all thealgebra and trig that goes along with that....
The planets orbit the Sun in a counterclockwisedirection as viewed from above the Sun’s northpole, and the planets’ orbits all are alignedto what astronomers call the ecliptic plane. The story of our greater understanding...
So, contrary to what you see in moviesspacecraft can’t just sit around inspace near a planet because they’d fallright into it. To stay in space we needto get into orbit. So first we take...
The Cassini Mission has beenexploring the Saturn systemfor nearly 13 years and hasrewritten the textbookson the ringed planetand its moonsbut the spacecraft ispretty much out of fuel. Following NASA’s planetaryprotection guidelines,the mission willend with...
Black holes are the most powerful things in the universe, strong enough to rip whole stars into atom sized piecesWell, this is scary enough. They have an even more powerful and dark property: they...
Black holes are one of the strangest things in existence. They don’t seem to make any sense at all. Where do they come from. . . . . . and what happens if you...
What’s inside a black holeBlack holes are mysterious and bizarre objects in the universe that really have no explanation in factWe hardly know anything about what lies inside of a black?Hole we know and...
Drifting alone through the darkness of space,a small capsule traverses the void. Onboard, the two pioneers prepare forthe next step of their voyage. Mere hours ago, history had been made. For the first time,...
– You know Marsis the closest placethat we can reach with robotic explorationthat we think had a really good chanceof having ancient life. – The Perseverance Rover will landat a location called Jezero Crater....
And we have confirmation thatDragon is now under 100m . . . Is 100m above the surfaceof the ocean. Next up: standing byfor splash down. And there we have confirmationof splash down. Dragon has...
so it appears that the launch of NASA’sperseverance Rover has been delayedagain this is getting a bit too closefor our taste now because the launchwindow is only one month wide andChina’s Mars mission meanwhile...
No other planet has captivated our imaginationsquite like Mars. While inhospitable now, billionsof years ago, the landscape of this dustyrock was similar to that of Earth, but somewherealong the way, it became a red...
The images in this video are all real, captured by NASA’s mars rovers. Directly from the surface of the planet. This is the first time martian footage has been rendered in stunning 4k resolution....
– The planetMercury is named afterthe messenger of the Roman gods,because even the ancients could seehow swift and fleeting it is in the sky. But it wasn’t untilrecently that scientistsbegan unraveling Mercury’s many mysteries....
You’re watching FreeSchool!Mercury, the first planet from the sun, isalso the smallest planetin the solar system. It is even smaller thansome moons in thesolar system! Compared to other planets, littleis known aboutMercury, despite the...
There are 8 planets in our solar system!We all revolve around the sun. Join us to learn about different planets. Now, sing along and have some fun. My name is Mercury. I’m the second...
– Our solar system is oneof over 500 known solar systemsin the entire Milky Way galaxy. The solar system came into beingabout 4. 5 billion years ago, when a cloudof interstellar gas and dust...
