Chapter 13 Vocab Walk Crossword

The smallest, most stable stars are classified as this
Instrument that gathers light to show a bigger, brighter picture of a distant object
This type of galaxy has no definite shape or structure
Like the Milky Way, this type of galaxy has a central bulge, a halo, and a disk.
The brightness of a star as it appears to an observer on Earth
Bigger stars that have cooler temperatures
Biggest stars in the H-R Diagram
Largest class of stars - most stars fall into this category
The unit used to measure distance in the solar system (150 million km)
The four closest planets to the sun - all having solid ground, and all but one having an atmosphere
Huge cloud of dust and gases where stars form
The measure of a star's actual brightness
The five planets furthest from the sun - all but one having no solid ground
The distance light travels in a year (9.5 trillion km)
The first astronomer to study stars with a telescope
This type of galaxy is shaped like a football
Chunks of ice and rock that orbit the sun
Collection of stars, planets, gases, and dust held together by gravity
Tiny chunks of space debris (shooting stars)
Barren chunks of rock in space