Eclipse Pictures from NASA’s Astronomy Picture Of the Day – apod.nasa.gov

Link to Australian video on Nov 14 eclipsehttp://www.youtube.com/watch?v=MxJIM2EJ0KY

Old Business - QuestionsDo the solstices and the equinoxes have the same names in the Southern Hemisphere as in the Northern Hemisphere since the seasons are reversed?

No, the solstices and equinoxes are reversed too. They match the seasons in the Southern Hemisphere

Date Northern Hemisphere Southern Hemisphere

~ March 21 Vernal Equinox Autumnal Equinox

~ June 21 Summer Solstice Winter Solstice

~ September 21 Autumnal Equinox Vernal Equinox

~ December 21 Winter Solstice Summer Solstice

How big is the Higgs Boson?

Mass of new “Higgs” Boson => 125.3 +/-- 0.4 GeV (CMS)Mass of new “Higgs” Boson => 126.0 +/-- 0.4 GeV (ATLAS)Mass of Proton => 938.272056 MeV => Higgs is > 125x bigger

Mass of Proton => 938.27231 MeV

Postion: Pre-Tutorial Question

You observe a star rising due east. When this star reaches its highest position above the horizon, where will it be?

A.High in the northern sky

B.High in the eastern sky

C.High in the southern sky

D.High in the western sky

E.Directly overhead

Lecture Tutorial in Introductory Astronomy

• Check out online Applethttp://physics.weber.edu/schroeder/sky/skymotionapplet.html

• Position – Pages 1-2

Position: Post-Tutorial Question 1

When observing at night, how much of the celestial sphere can an observer on Earth see at one time?

A.Less than half

B.Exactly half

C.More than half

Position: Post-Tutorial Question 2

Stars that never set are called circumpolar. As you move from the Earth’s equator toward the North Pole, the number of stars that are circumpolar

A.increases

B.decreases

C.stays the same

Motion: Pre-Tutorial Question

Imagine you are standing outside at night in Albuquerque. Looking directly north, you see a star just above the horizon. A little while later you notice that it’s position has shifted slightly. Which way did it move?

a)east (to your right)

a)west (to your left)

c)up (away from the horizon)

c)down (closer to the horizon)

Lecture Tutorial in Introductory Astronomy

• Check out online Applethttp://physics.weber.edu/schroeder/sky/skymotionapplet.html

• Motion – Pages 3-6