In an unprecedented moment duringNASA’s Artemis 2 mission, astronauts witnessed flashes of light caused by meteoroid impacts ...

Space junk and meteoroids are falling to Earth every year, posing a growing risk as they re-enter the atmosphere at high speeds. Researchers are using infrasound sensors to track these objects, ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Have you ever looked up at a “shooting star” and wondered what you’re actually seeing? The terms meteor, meteorite, and meteoroid all describe the same object, but at different stages of its journey.

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? Researchers show that this is not due to the random pull of the planets, but rather the ...