Astronomers discover Earth has a second moon. It could fit into your backyard.

To ensure delivery to your inbox add email@mail.nbcnews.com to your contacts | View in browser Add NBC News to your contacts Unsubscribe from this email

Feb 26, 2020 Astronomers discover Earth has a second moon. It could fit into your backyard. A visiting mini-moon is circling Earth, according to astronomers who discovered the cosmic squatter in our planet's orbit. The tiny asteroid, measuring about 6 feet to 11 feet across, was spotted by astronomers in Tucson, Arizona, on Feb. 15. Read More Get the NBC News Mobile App Follow NBC News Check out all of NBCNEWS Newsletters here. Update Preferences | Unsubscribe | Contact | Privacy Update Preferences Unsubscribe Contact Privacy