7.5M views · 71K reactions | This visual simulation takes you on a journey from 1957—when Sputnik became the first human-made object in orbit—all the way to 2025. Watch how the number of satellites has increased year by year, from the early days of space exploration to the rise of mega-constellations and private space ventures. | The Brain Maze | Facebook

NASA Earth satellite views and data visualizations help us understand the Earth and how it’s changing. This #EarthDay, we invite you to share how you #PictureEarth too. Share photos of some of your favorite natural features with the location and hashtag #PictureEarth: https://go.nasa.gov/2UMkEJf | NASA - National Aeronautics and Space Administration

Next-generation satellites, with limited capabilities, are part of the next wave of Earth observation by NASA. https://goo.gl/AC2yOs | Space.com