Astronomical+Address

Astronomical+Address - Explain communication problem across...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Astronomical Address (like your return address, but more steps): (7 steps total) 1. Student's usual return address (street, city, state, country). 2. Earth (at light speed, about 186,000 miles per second, you could travel 7 times around the entire earth in just 1 second!) 3. The Solar System (about 10 light hours across -- somewhat bigger then Pluto's orbit diameter). 4. The Milky Way Galaxy (about 100,000 light years across) -- explain a light year.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Explain communication problem across vast distances (e.g., delay in talking with Mars Rovers, etc.). 5. The Local Group of Galaxies -- about 30 galaxies in a loose grouping -- MW and M31 largest -- diameter about 5 million light years. 6. The Local Supercluster -- thousands of galaxies (about 300 million light years across). 7. Universe -- about 30 billion light years across....
View Full Document

This note was uploaded on 03/20/2011 for the course AST 105 taught by Professor Larry during the Spring '11 term at Indiana Northwest.

Ask a homework question - tutors are online