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A reminder and announcement for an astronomy class, including information about the class location, homework due dates, and office hours for questions. It also includes a review of topics covered in the previous class and an introduction to the topics to be covered in today's class, including building an idea about scales of astronomical objects and how to describe their size and distance. The document also includes a worksheet for students to complete their cosmic address, listing astronomical objects from smallest to largest. Additional information about the size and distance of various astronomical objects is provided.
Typology: Exercises
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OUR PLACE IN THE UNIVERSE? Cosmic Address? What is our
Our place in the Universe? Dear Friend, We hear that you are taking astronomy this semester, eh? Just keep your telescopes pointed away from Perseus!! Heh, just kidding. We just got back from a quick trip up the Perseus Arm to the Bulge — we saw some gorgeous nebulae along the way. Things here on omicron Per 8 are the same as usual - 200˚C and lots of hydrocarbon haze. At least we’re getting stellar panels installed next month to help lower our energy bill! Write back soon, Lrrr & Ndnd TO: your name: __________________________ your street: __________________________ your city: __________________________ your state: __________________________ your country: __________________________
Earth The Local Group The Milky Way The Orion Arm The Solar System The Universe The Virgo Supercluster Do this yourselves (no discussion) Write down your answers on the worksheet complete your cosmic address — put them in order, from smallest to largest:
OUR PLACE IN THE UNIVERSE? Cosmic Address? What is our
Our place in the Universe? Answer
Our place in the Universe? 2680 Woodlawn Drive Honolulu, Hawaii, USA 96822- Honolulu Hawaii USA
Earth Radius = 6370 km
