Showing: 1-20 of 1

Detection

Why didn't we know meteor that exploded over Russia was coming?

Why didn't we know meteor that exploded over Russia was coming?

The 150-foot-wide meteor that flew by Earth Friday and the smaller one that exploded over Russia hours before were too small to be easily detected. They are not even targets in NASA's surveillance of potentially hazardous objects.

February 16, 2013 12:00 am Video Related Loading…

Follow the Arizona Daily Star

Featured businesses

View more...

Vote! Today's Poll

Loading…

With the pool of presidential candidates narrowing, which front-runner do you support?

View Results
View more...

Deals, Offers and Events

Tucson.com newsletters

Sign up for Tucson.com e-mail newsletters

Weekly update of food and restaurant news.

Sports news and blog headlines, delivered nightly.

Midmorning update of local business headlines, daily.

Tucson-area obituaries, daily.

Receive the current day's weather forecast in your email!