Poem: Dinosaur Diets – Jane Yolen
Constellation: Bootes
Craft: Galaxy in a Jar
Space Person: Joscelyn Bell (Wikipedia, PBS: A Science Odyssey) Discovered the first radio pulsars
Movie: Hitchhiker’s Guide to the Galaxy
Vocabulary:
- galaxy: a collection of star systems
- milky way galaxy: the name of our galaxy, a spiral galaxy that contains about 400 billion stars
- elliptical galaxy: a galaxy shaped like a round or flattened ball, generally containing only old stars
- irregular galaxy: a galaxy that does not have a regular shape
- spiral galaxy: a galaxy with a bulge in the middle and arms that spiral outward in a pinwheel pattern
- nuclear bulge: the spherical cloud of stars that lies at the center of spiral galaxies
- halo: spherical region that surrounds the nuclear bulge and disk
- galaxy disk: Disk galaxies are galaxies which have disks, a flattened circular volume of stars
References: Galaxy Types, Kid Astronomy : Galaxy, Explore the Milky Way Galaxy Documentary, Milky Way Song, Milky Way Galaxy, Galaxies Part 1, Galaxies Part 2