Until midday Friday, you have a unique chance to spot & wave at our OSIRISREx spacecraft as it slingshots around Earth with the closest approach at 12:52 p.m. EDT on Friday, Sept. 22. See how you can wave at the spacecraft and how observatories and amateur astronomers can view the spacecraft as it approaches our planet. Get the details: http://go.nasa.gov/2jONx5j
