Curated Video
GMES: Advancing Global Monitoring for Environment and Security
The Group on Earth Observation is overseeing a 10-year plan to coordinate data gathered on the environment from satellites and terrestrial sources. Europe's Global Monitoring for Environment and Security system (GMES) is at the forefront...
Curated Video
Galileo: Europe's Revolutionary Satellite Navigation Program
Galileo is a satellite navigation program developed by the European Space Agency and the European Union. It aims to provide a global navigation system that is independent of other existing systems, such as GPS and GLONASS. With its...
Curated Video
European Space Agency's Exciting Missions and Future Plans in 2005
In 2005, the European Space Agency achieved significant milestones in space exploration and technology. From landing on Titan and sampling its atmosphere to launching the heaviest commercial launcher, the Arian 510 ton, Europe made great...
Curated Video
How to Avoid Running Out of Water
Fresh water issues are getting harder to ignore. In the next five years, half the world’s population will live in a water-stressed area. Drought-stricken cities like San Francisco have started requiring large commercial building to...
Astrum
What Satellites Can See From Space Is Troubling
The military spy satellites orbiting Earth, right now.
Astrum
What Do Shakespeare and a Lipstick Rocket Have in Common?
The UK's Black Arrow and Prospero Program. Colossal failure?
Astrum
Why Beautiful Clouds Are Worrying Scientists
The incredible shining phenomenon in the highest reaches of Earth's atmosphere.
Veritasium
The Best Test of General Relativity (by 2 Misplaced Satellites)
A launch mishap led to the best experimental confirmation of gravitational redshift.
Astrum
Earth's New "Moon" 101
While tiny, Earth now has a second moon, or natural satellite, named 2020 CD3. So, will we have to rewrite the text books?
Astrum
Are We Too Late To Avoid Kessler Syndrome?
Space junk and debris is starting to be a problem around Low Earth Orbit (LEO) according to the ESA and JAXA. Exactly how much is up there? And are we soon approaching the threshold of Kessler Syndrome?
Curated Video
Solar storm
Or geomagnetic storm, a severe disruption of the Earth's magnetosphere that can cripple satellites, and even cause severe damage to electrical systems on the ground. A Twig Science Glossary Film. Key scientific terms defined in just 60...
Curated Video
Spacecraft
A manned or unmanned machine designed for space flight. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Centripetal Force: How Central Forces Cause Objects to Spin or Turn
What are central forces and how do they make objects spin or turn? Physics - Forces - Learning Points. A centripetal force makes an object follow a circular path. The moment of inertia is the resistance of an object when the speed of...
Curated Video
The Satellite Story
What is a satellite, why are they important, and how have satellites changed our understanding of the Solar System? Physics - Universe - Learning Points. Any object orbiting a planet is called a satellite. Moons are examples of natural...
Curated Video
What is GPS? - Satellite Navigation
GPS satellites pin-point locations on Earth. How has this technology enhanced our lives, from military systems to social applications? Physics - Universe - Learning Points. GPS stands for Global Positioning System. GPS uses 24 satellites...
Curated Video
Weather Systems
What causes different kinds of weather? What is wind and where does it come from? How can pressure systems help us predict the weather? Earth Science - Weather - Learning Points. Understanding weather systems is the key to reliable...
Curated Video
The Great Global Warming Debate: Part 1
Can we rely on thermometer readings alone as proof of global warming? Do satellite temperature readings lead to the same conclusions? Earth Science - Human Impacts - Learning Points. Small increases in average global temperatures have...
Curated Video
How Did Saturn Get Its Rings?
Since Galileo first sighted Saturn, scientists have been baffled by its beautiful rings. What are they made of and where did they come from? Physics - Our Solar System - Learning Points. Saturn's rings were first discovered by Galileo in...
Curated Video
What is an Orbit?
How the orbit of the planets is dictated by mass and the force of gravity. Physics - Our Solar System - Learning Points. The curved path of one object around another is its orbit. Objects orbit due to the effects of gravity. The...
Curated Video
Sun and Earth – Did you know?
Did you know that there are at least 146 moons within our solar system? Physical processes - The Earth and beyond - Sun, Earth and Moon Learning Points There are at least 146 other moons in our solar system. A Twig Tidbit Film - Did you...
Curated Video
Polluting the air – Did you know?
Did you know that there are tonnes of man-made litter and debris in orbit? People and places - Human impact on the environment - Polluting the air Learning Points Litter in space is called space debris. A Twig Tidbit Film - Did you know?...
Curated Video
GPS – Did you know?
Did you know that rockets are used to launch GPS satellites into Earth’s orbit? People and places - Mapping - GPS A Twig Tidbit Film - Did you know? A fascinating fact is revealed.
Curated Video
Minerals
Discover the world of minerals and learn about their uses. Material processes - Classifying materials - Minerals Learning Points Minerals are naturally occurring substances with a unique chemical make-up. Minerals have many uses. The...
Curated Video
What is GPS? - Location Tracking
Find out how GPS works and how it can pinpoint your location to within a few metres. People and places -Mapping - GPS Learning Points GPS stands for Global Positioning System. The method of using three GPS satellites to pinpoint a...