The 5th annual Asteroid Day is Sunday, June 30. Here’s how to participate.

Liftoff is targeted at 11:30 p.m. EDT, with a 4-hour launch window. SpaceX is calling the launch its most difficult ever, because the rocket must release 24 satellites into 3 different orbits.

She was the 1st American woman in space, eventually flying on 2 Space Shuttle missions. She played a key role in the investigation of the Space Shuttle Challenger disaster. And she inspired people.

The American Astronomical Society – chief organization for US astronomers – said it is in conversations with SpaceX about the impending launch of 12,000 Starlink satellites. The astronomers worry the satellites will interfere with their work of understanding the universe.

Nearly 100 countries have already signed up to organize national campaigns, to provide the public with an opportunity to vote. The deadline is July 30 to express interest in organizing a national campaign. The IAU will announce results in December.