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Solar eclipses and hunting for planets Sydney Institute for Astronomy (SIfA)/ CAASTRO – The University of Sydney Dr. Paul Hancock.

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Presentation on theme: "Solar eclipses and hunting for planets Sydney Institute for Astronomy (SIfA)/ CAASTRO – The University of Sydney Dr. Paul Hancock."— Presentation transcript:

1 Solar eclipses and hunting for planets Sydney Institute for Astronomy (SIfA)/ CAASTRO – The University of Sydney Dr. Paul Hancock

2 Overview ›Types of eclipses ›What an eclipse looks like ›How to view an eclipse ›What eclipses can do for us ›More eclipses ›Planets outside our solar system 2

3 Types of Eclipses

4 4 Solar Eclipse Sun Earth Moon SunEarth Moon Lunar Eclipse www.MrEclipse.com

5 A solar eclipse seen from space 5 epod.usra.edu (2011-08-02) Penumbra Umbra

6 A solar eclipse seen from the Earth 6

7 7

8 The next solar eclipse 8 Nov 14 th 05:44 – 07:39 EST eclipse.gsfc.nasa.gov/ Queensland Northern Territory Port Douglas

9 Future solar eclipses 9

10 Testing relativity 10 www.uh.edu/engines/epi1765.htm wikipedia.org

11 Studying the Sun's corona 11 www.nasa.gov

12 Scaring the un-learned 12 from - Tin Tin and the Prisoners of the Sun - Hergé Note: The Incas and Aztecs were actually skilled astronomers!

13 What about other kinds of eclipses? 13 nasa.gov and wikipedia.org Phobos eclipsing the Sun as seen by the Opportunity rover on Mars

14 Planetary transits 14 lowlightmixes.blogspot.com.au

15 Extra solar planets 15 www.mpia.de/transits/minerva/transit_method.html

16 Using transits to find extra-solar planets 16 2,326 Candidate Planets 105 Confirmed Planets kepler.nasa.gov

17 Summary ›Solar eclipses involve the Moon passing in front of the Sun ›There are solar eclipses on Mars! ›Transiting planets are like eclipses ›Transits allow us to detect planets around other stars 17

18 18 www.nasa.gov 620ly distant ~5°-10° warmer than Earth


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