“Near Earth Object” – This is an asteroid 2.5 miles across, with an orbit close enough to Earth’s that astronomers track it to make sure it’s not going to hit us! My dad took this video when it flew past us last month.


“Near Earth Object” – This is an asteroid 2.5 miles across, with an orbit close enough to Earth’s that astronomers track it to make sure it’s not going to hit us! My dad took this video when it flew past us last month.


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About the Author: livescience

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  1. 3122 Florence is a Near Earth Object (NEO) being tracked by the Minor Planets Center. It’s a 2.5 mile wide chunk of rock, not expected to hit Earth anytime soon, but it’s certainly in the neighborhood! My dad participates in the MPC’s citizen science program, and took a video of 3122 Florence as it flew past Earth a few weeks ago. It passed within 5 million miles, or about 20x the Earth-moon distance. It was moving so fast across the sky you could literally watch it move in the telescope over the course of a few minutes. This video is less than 15 minutes of timelapse. It’s pretty amazing to me that with a small shed full of optics, we can perceive pretty tiny chunks of cold rock flying through space millions of miles away.

    If you want to know more about [taking this timelapse](https://youtu.be/WimDiqq5Iqk), or about [the telescope and observatory setup](https://youtu.be/j1llWnhX1-c), there’s a couple videos linked! I hope you find this stuff as cool as I do!

  2. Anyone know if the people tracking these things have an actual plan for if there’s going to be an impact? Or are they just going to tweet `SOB123 will impact Paris in 3 hours. This is the end`?

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