Documents Announcements 4th test is finished! Please pick up graded work Homework 12 due Monday (requires...

Slide 1Announcements 4th test is finished! Please pick up graded work Homework 12 due Monday (requires internet use) Second project is due in two weeks Please reread lyrics…

Documents Knowledge of our celestial surroundings began with the early studies of the sky by the ancient...

Slide 1 Slide 2  Knowledge of our celestial surroundings began with the early studies of the sky by the ancient Greeks and their careful observations of the stars and…

Documents A nebula is an interstellar cloud of dust, hydrogen gas and plasma. It is the first stage of a...

A nebula is an interstellar cloud of dust, hydrogen gas and plasma. It is the first stage of a star's cycle. BOOMERANG NEBULA Originally nebula was a general name for…

Documents Our Place in the Cosmos Lecture 14 Galaxies. Nebulae The planets and stars we have studied so far...

Slide 1 Our Place in the Cosmos Lecture 14 Galaxies Slide 2 Nebulae The planets and stars we have studied so far have all been part of our own galaxy, the Milky Way, which…