Astronomy 104

Summer 2008

These are introductory courses to astronomy, with more emphasis on active thinking than memorizing facts.

The main points of this course are:

(1) a general understanding of astronomy, (2) what can be observed in the sky, (3) Stars, Galaxies and the Universe.


ANNOUNCEMENTS

TEST 1 is on Thursday, July 10.

(25 questions, have a scantron and a picture ID)

Preparation: use the presentations as a guide.

For each class and test students need a new scantron # 16485.


What's up in the sky?

 
The Sun.
We are close to sunspot minimum, only few and small spots are visible.

New Moon: July 2,First Quarter: July 9,

Full Moon: July 18, Last Quarter: July 25.

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Jupiter is nice in the telescope. It rises at 9 pm.

Saturn is pretty. It is visible only a short time after sunset.

Comet C/2007 W1 (Bottini) may get bright in July!

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News

Two dynamic images - really amazing!

1. Landslides photographed on Mars.

2. The Crab Nebula's pulsar in action in a movie - it is really moving!

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Unusual events and objects

(Students might want to ask help in how to use the coordinates, ephemerids and finder charts.)