2017 Total Solar Eclipse across America

Delivered at Astronomy Days 2017 at the North Carolina Museum of Natural Sciences, Raleigh NC

Transcript

1. An Eclipse to Remember Where will you be on August 21, 2017?
2. Presentation Overview • Eclipse 101 • How to enjoy a partial eclipse • What’s the big deal about a total eclipse? • Resources for viewing, holding eclipse parties, and more
3. Have You Seen an Eclipse? What’s Going On?
4. Basic Types of Eclipses Illustrations not to scale
5. Remember: Which One Gets Darker?
6. What is a Solar Eclipse? Not to scale © exploratorium.edu
7. 2:50pm EDT 3:00pm EDT 3:10pm EDT Where will you be on Monday August 21, 2017? NASA’s total eclipse website: eclipse2017.nasa.gov 90% coverage Path of the total solar eclipse 90% coverage 75% coverage 75% coverage 50% coverage 50% coverage 25% coverage 10:10am PDT 10:20am PDT 11:30am MDT 11:40am MDT 11:50am MDT 1:00pm CDT 1:10pm CDT 1:20pm CDT 1:30pm EDT 2:40pm EDT Image courtesy NASA 3mm HOLE
8. A Total Eclipse from Space
9. The View from Earth
10. Everyone Sees a Partial Eclipse If it’s clear out…
11. Viewing the Partial Eclipse • Projection of image – Pinhole or using tools • Directly with filter • Live streaming the event
12. Watch the Show Safely! Pinhole Projection Photo Credit: exploratorium.edu
13. Project the Sun with Tools – and Care
14. Observing Directly with Filters Eclipse Glasses Not sunglasses! #14 Welders Glasses
15. Use Special Care with Filtered Optics
16. 2:50pm EDT 3:00pm EDT 3:10pm EDT Where will you be on Monday August 21, 2017? NASA’s total eclipse website: eclipse2017.nasa.gov 90% coverage Path of the total solar eclipse 90% coverage 75% coverage 75% coverage 50% coverage 50% coverage 25% coverage 10:10am PDT 10:20am PDT 11:30am MDT 11:40am MDT 11:50am MDT 1:00pm CDT 1:10pm CDT 1:20pm CDT 1:30pm EDT 2:40pm EDT Image courtesy NASA 3mm HOLE
17. This is a Total Eclipse Catch it if you can!
18. If This Is Your 1st Total Eclipse Our Advice? Don’t. and you want to take photos or videos…
19. Plan ahead Totality lasts about 2 minutes. In North Carolina is will happen at 2:36pm EDT
22. Wednesday, May 11, 2078 2:30:25 pm EDT
23. Bring Friends and Family
24. Involve Your Community
25. Viewing Resources for Every Place bit.ly/NSNEclipse • Find this presentation plus postcards, activities, connection with your local astronomy club
26. Extensions • Types of Eclipses • Why Don’t Eclipses Happen Every Month? • Cosmic Coincidence • Myths and stories
27. Types of Eclipses
28. Why Don’t Eclipses Happen Every Month?
30. Cosmic Coincidence Sun’s Diameter 400x Moon Diameter Sun’s Distance 400x Moon Distance