20 years of tracking Near-Earth Objects | | | Asteroid on a collision course with Earth? These astronomers will likely see it first. NASA's Center for Near-Earth Object Studies - now entering its 3rd decade - makes over 90 percent of near-Earth asteroid and comet discoveries. Here's how and why they do their work. | | |
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How far is a light-year? | | How can we comprehend the distances to the stars? This post explains light-years in terms of a scale of miles and kilometers. | | |
Which lizards can outlast a hurricane? | | | In the wake of hurricanes Irma and Maria, researchers document how catastrophic storms can be agents of natural selection, influencing how species evolve. | | |
