Transits of Venus Pictures Only

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Slide3: 

Venus during the daylight.

Slide5: 

Edwin Hubble at New Albany High School

Slide6: 

Hubble telescope's 15th birthday on April 25, 2005.

HOW TO PREDICT TRANSITS OF VENUS : 

HOW TO PREDICT TRANSITS OF VENUS

Captain James Cook: 

Captain James Cook

Expeditions of 1761, 1769, 1874,1882: 

Expeditions of 1761, 1769, 1874,1882

Expeditions of 1761, 1769, 1874,1882: 

The blue dots represent expeditions of 1874 and 1882. Location: Sponsoring nations 1 = Vladivostok, Russia : United States, Russia (1874) 2 = Nagasaki, Japan : United States (1874) 3 = Beijing, China : United States, Germany, Russia, France (1874) 4 = Kerguelen Island : United States, Britain, Germany (1874) 5 = Tasmania : United States (1874) 6 = New Zealand : United States (1874, 1882), Britain (1874) 7 = Chatham Island : United States (1874) 8 = Auckland Islands : Germany (1874) 9 = Mauritius : Britain, Germany (1874) 10 = Isfahan, Iran : Germany, Russia (1874) 11 = Cairo, Egypt : Britain, Russia (1874) 12 = Hawai’i : Britain (1874) 13 = Rodrigues Island : Britain (1874) 14 = St. Paul’s Island : France (1874) 15 = Campbell Island : France (1874) 16 = Yokohama, Japan : France, Mexico (1874) 17 = Calcutta, India : Italy (1874) 18 = Tashkent, Uzbekistan : Russia (1874) 19 = Reunion Island : Netherlands (1874) 20 = South Africa : United States, Britain (1882) 21 = Santa Cruz, Argentina : United States (1882) 22 = Santiago, Chile : United States (1882) 23 = Algeria : France (1882) 24 = South Georgia : Germany (1882) Expeditions of 1761, 1769, 1874,1882

Calculating the Solar Parallax: 

Calculating the Solar Parallax R = r / tan α                                                                                                                                                                                                            Figure 1: The Solar Parallax The Solar Parallax

Timing the Transit: 

Timing the Transit a Contact I b Contact II c Contact III d Contact IV

Halley's Method for computing the Solar Parallax : 

Halley's Method for computing the Solar Parallax

Calculation of Parallax Trajectory: 

Calculation of Parallax Trajectory

Geometry and Angles at Midpoint of a transit. : 

Geometry and Angles at Midpoint of a transit.

Slide20: 

GEOMETRY OF SYNCHRONOUS OBSERVATIONS Calculation of the Parallax Method of Calculations

Slide21: 

Paths taken by the Transits of Venus

Slide22: 

Thy return posterity shall witness; Years must roll away, But then at length the splendid sight, Again shall greet our distant children’s eyes  Jeremiah Horrocks (1639)