Astronomy Final Review

Astronomy Final Review - Drake Equation Purpose is to...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Drake Equation – Purpose is to calculate the probability of intelligent life in the Milky Way Type of Equation – Stars in Milky Way 10 (n) No Dark Mater 1/10 Outer Disk 10 -4 Not Binary 1/3 Type F or G 1/100 What are the odds that a star like our sun would have a planet like Earth?? 1/100 What are the odds that a planet like the Earth would have the molecular precursors to life? 1/1 =33 (100x1/3) The Dark Matter Problem - Data which indicates that there is a lot of matter that we haven’t identified yet. (Off by as much as 90% END OF NOTES: BEGIN REVIEW: p. 704 4.) Drake Equation is the estimate of the probability of intelligent life in the Milky Way 6.) Search for extraterrestrial life / One way communication TY’s BACK OF BOOK TY1 – D , TY2 - D p. 665 3.) Cosmic Microwave Background (Temp. of Deep Space) = 3 Kelvin’s Heat left over from the BIG BANG 4.) How was it discovered? Radio Telescope TY2 - A, p. 654 1.) Cosmology – The study of the beginning and the end of the universe 2.) What do astronomer’s think the universe is expanding? Doppler Shift
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/09/2011 for the course ASTRO 47280 taught by Professor Islam during the Spring '09 term at Ball State.

Page1 / 9

Astronomy Final Review - Drake Equation Purpose is to...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online