More than 2,000 satellites are orbiting the Earth at this very moment. They are used for communication and many other purposes. This article covers different aspects of satellite uses in navigation, with a strong emphasis on navigation. Then it looks … Continue reading
Humanity has watched the International Space Station orbit this little blue marble for the last 20 years, as of November 2020. This modern marvel has seen hundreds of astronauts and been home to thousands of scientific experiments. The ISS provides … Continue reading
Satellite refers to any object, be it artificial, manmade, or natural, that orbits around a cosmic body. Devices we are mostly interested in are manmade ones. What are satellites used for? Plenty of things. They orbit the Earth, and help … Continue reading
Right now, everyone is thinking about the moon — how we’re going to get there, when the next set of astronauts from the Artemis missions will land and whether President Trump seriously thinks we’re going to mine our nearest satellite … Continue reading
Solar energy is a big deal on planet Earth right now. People around the world have discovered its benefits. Its clean, renewable, and affordable. Once you have an array in place, you can power your home or business for decades. … Continue reading
As a species, we’re working on expanding our horizons — literally — by making our first forays into outer space. In the next decade, we’re hoping to have people living permanently on the Moon and may even be making the … Continue reading
Sometimes it’s all in the details. Something as simple as polyurethane (PU) foam made the modern space shuttle a possibility. This crucial material opened up a range of new options for spacecraft, as well as everyday objects. Polyurethane is a … Continue reading
The International Space Station has been in orbit since the first component was launched in 1998, with the first crew arriving in 2000. It’s been in orbit for nearly 22 years and until recently, it seemed like the funding that … Continue reading
Science fiction has provided us with a lot of ideas for technology that have slowly become reality. Just look at the smartphone in your pocket. More than half a century ago, Star Trek gave us the idea of portable communicators … Continue reading
As of the beginning of 2019, nearly 5,000 satellites are orbiting our planet — more, since SpaceX just launched 60 Starlink communications satellites in one monumental event. With so many orbiting bodies circling the Earth, it’s a miracle they don’t … Continue reading