ASTR320 Wednesday January 16, 2019 - …

Astronomical coordinate systems

ASTR320 Wednesday January 16, 2019

Reminders

? Sign up for 491 this week ? REU program application deadlines are approaching ? Homework #1 assigned; due Sunday, 10 February

? Class meets in lab 4 and 6 February ? Recommend that you look at the lab and practice with Python in

advance of coming to the lab

? TA Peter Chi's office hours: Wednesdays and Fridays 2:00 ? 4:00 pm in MIST 314

The Earth rotates about its axis

? Rotates west to east

? The sun rises and sets...

The Earth revolves about the Sun

The Earth rotates about its axis

Where was this picture taken?

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