What’s on tomorrow’s Test? Solar System (6 questions) Order of planets, inner vs outer, gravity, the sun Stars (HR Diagram) ( 6 questions) Color vs brightness, how long stars last, temp. of stars Distances in Space (3 questions) Light years, AU’s LifeCycle of Stars (5 questions) Foldable!!- lifecycle low mass vs high mass Galaxies (2 questions) P 100- shapes of galaxies, Milky Way

Mystery of the Mole Beings What star warmed their home planet?

You are a member of the United Universe Archeological Society searching for signs of the lost civilization of the Mole Beings.

Their civilization was one of the most advanced in the galaxy for several billion years before disappearing. Before vanishing, they sent a radio message into space.

Rhyme of the Mole Beings When time does pass A star lives by its mass When our star does expand We leave our beloved land

Rhyme of the Mole Beings II The heat of a star Gives color seen from far Seek a sun not so old A place not too hot Or too cold

NB page 102 Title: Quest for The Mole Beings home star. For each numbered Blue statement, explain how it relates to knowledge about stars. Write a meaningful phrase, contain info from the blue statement and the answer.

Rhyme of the Mole Beings When time does pass 1. A star lives by its mass 2. When our star does expand We leave our beloved land

Rhyme of the Mole Beings II 3. The heat of a star Gives color seen from far 4. Seek a sun not so old 5. A place not too hot Or too cold

NB Pg. 101.

Job: Write on worksheet Reader (directions, Moves radiometer) Recorder (Make sure distance recorded to center of radiometer) Counter (counts 10 turns of radiometer) Timer (Watch clock for time when counter says STOP.)

Life Zones Data Color TOO HOT TOO COLD LIFE ZONE (CM) LIFE SPAN (years) RED YELLOW WHITE BLUE

10,000 °C

Life Zones Data Color TOO HOT TOO COLD LIFE ZONE (CM) LIFE SPAN (years) RED 10 15 100 billion yrs YELLOW 23 31 10 billion yrs WHITE 26 34 200 million yrs BLUE 39 54 10 million yrs

Life Span of Stars 10 Million years 200 Million years 10 Billion years

Page 102

4.The most likely star color to have a planet with life would be ____ because: Consider Life Span and Life Zone size

A clue to the Mole Being’s star? 1. Which would be likely star color to look for the Mole Being’s star system? Why? 2. Why would you not choose each of the other star colors? Give reasons for not choosing each other color.