Astronomy 103, May 2015.
ASTR 103: Final test is on Saturday, 2:00-4:00.
Sorry, the time of the final is unmoveable.
In all classes and for all tests,
students need a new scantron # 16485,
one scantron for each class.
Last Quarter: May. 11, New Moon: May. 18,
First Quarter: May. 25, Full Moon: June 2.
Venus is observable after sunset, is very bright (-4 mg), half phase.
Jupiter is up all night, and it is great in a telescope.
Saturn rises at 8:30 pm, but is observable only after 10 pm.
1. The Dawn spacecraft spots two very bright spots on Ceres, probably ice deposits. Looks quite striking.
Click here for the image and explanation.
2. Philae, a space probe off the Rosetta spacecraft,
has landed on comet Churiumov-Gerasimenko after bouncing up twice.
It seems it landed in a hole, and hybernating for lack of power.
An important result of the mission: Earth's water did not originate in comets.
Unusual events and objects
the home page of the laboratory,
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