Today is arguably the second most anticipated day in Indianapolis Motor Speedway history. A total solar eclipse, which last made a path across Indiana 89 years ago, will darken the sky just a bit after 3 pm this afternoon.

IMS has a full day of activity planned. The track has teamed up with Purdue and NASA to provide information and educational activities.

Today’s schedule at the track:

Schedule (all times ET)
9 a.m.: Gates open; Gates 2, 3 and 6
10 a.m. to 12:30 p.m.: Educational programming
1 p.m.: NASA broadcast begins
1:10 p.m.: Opening ceremonies
1:35 p.m.: INDYCAR SERIES demo laps
1:50:34 p.m.: Solar eclipse begins with partial
2:15 p.m.: Frontstretch of oval track opens for guest viewing
3:06:04 p.m.: Totality begins
3:07:59 p.m.: Max totality
3:09:54 p.m.: Totality ends
3:25 p.m.: Closing ceremonies
3:30 p.m.: Astronaut and driver autograph session
4 p.m.: Gates close
4:23:13 p.m.: Partial ends
4:30 p.m.: NASA broadcast concludes

Drivers and astronauts at the autograph session:

Tickets have been sold in all 50 states and several international locations.

If I know the Speedway, renewal notices will go out tomorrow for the next eclipse in the year 2153.