Jan 20, 2026 · Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second. And there are important reasons why we need to understand this real-world …

Jan 20, 2026 · Experiments All About the Moon explore The Space Place Experiment Center do How to lasso an atom Is Time Travel Possible? explore Printed Product Downloads explore

Jan 20, 2026 · Light year: It’s not a year, or an amount of time at all. It’s the distance light travels in one year. It’s the same as 5,878,499,810,000 miles (or 9,460,538,400,000,000 meters). When things are …

Jan 20, 2026 · Space Volcanoes! Explore the many volcanoes in our solar system using the Space Volcano Explorer. explore Build a Moon Habitat! A Planet Without a Sun? explore Thermosphere …

Jan 20, 2026 · Because laser light stays focused and does not spread out much (like a flashlight would), laser beams can travel very long distances. They can also concentrate a lot of energy on a very …

Jan 20, 2026 · explore What Are the Moon’s Phases? explore Is Time Travel Possible? Airplanes and satellites can experience changes in time! Read on to find out more. explore What Is an Impact …

Jan 20, 2026 · Interstellar space begins where the sun’s magnetic field stops affecting its surroundings. Space Place in a Snap tackles this fascinating question! Galaxies, nebulae, and supernova remnants …

Jan 20, 2026 · To stay in orbit, they must travel faster than a satellite orbiting farther away. The International Space Station orbits about 250 miles above the Earth and travels at a speed of about …

Jan 20, 2026 · explore Is Time Travel Possible? Airplanes and satellites can experience changes in time! Read on to find out more. explore What Is an Impact Crater? explore What Is an Impact …

Jan 20, 2026 · A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. An illustration of one of the brightest and most …