Our lonely patch of the sky just got alittle less lonely with theidentification of a rocky, Earth-sizedplanet neighboring the star closest to our own Sun. On August 24th, 2016,researchers announced the exciting news:that they...
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...
My name is Monica Grady and I’m Professor of Planetary and Space Sciences at The OpenUniversity. The OU is really, reallywell placed to offer a Masters in SpaceSciences. The OU specialises insupported distance learning,...
What is space- empty space?I’m not just thinking of outer space. I mean any sort of space- the space here -the space where you’re sitting. Well, the answer seems obvious you know. Empty space?It’s...
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...
Hey YouTube, Jim here!Welcome to Top10Archive!Do you ever find yourself wondering aboutthis huge rock we’re floating on and thethings surrounding it?Does the thought of some space object crashingthrough your roof and living room floor...
Space: the final frontier, and for anyoneunfortunate enough to be sucked out an airlockwithout a space suit, it will definitely bethe fatal frontier. It’s an old Hollywood trope- humans insidea flimsy spacecraft have an...
Neil DeGrasse Tyson’s Christmas Day Tweet offends christians and this becomes his most ever retweet.
In the following video, Ian O’Neil from DNews explains how our cells resist gravity.
The following video represents the model of the Universe, as we know it today. We can easily comprehend where in the Milky Way our place is, but when it comes to other clusters of...
The following video gives us an overview of a night sky during October 2014, from the northern hemisphere. This overview shows the morning and evening planets, their significant movements, following by visible constellations and...
Alexander Gerst, an ESA astronaut, has spent three months on the International Space Station, working on a Blue Dot mission. This video shows what is the Blue Dot mission all about and how his...
Outside from our Solar System, a team of scientists led by Carnegie’s Jacqueline Faherty has found the first indications of watery clouds. These ice clouds considered as essential for the planet’s atmosphere. It is...
The frequent occurrence of supernova explosions in the Milky Way happens regularly. Their blasts, when at its maximum, can outshine our entire galaxy. There is an evidence that ancient supernova explodes near Earth. It...
After 37 years, Voyager continues its mission into stellar space. Leaving the Solar System, Voyager becomes the farthest thing we have sent everywhere. Our Earth’s ambassador makes amazing accomplishment. In the past, it was...
