Chapter 31.1 Vocab Flashcards
A group of stars that form a pattern to resemble something.
Constellations
What collects and amplifies radio waves?
Radio Telescope
What is the distance light travels in one year called?
A light-year
What separates light into its component wavelengths?
A Spectroscope
What is a star formed from a large cloud of gas,ice, and dust called?
Nebula
What includes the hot stars from the upper left corner to the cooler stars to the lower right corner?
Main sequence
What is it called as the star’s core contracts, the temperature increases and the star evolves.
Giant Star
What forms as the core of a giant star no longer supports fusion and the star’s outer layers escape into space?
White dwarf
What is an area in space that is so dense that nothing can escape its pull of gravity?
Black hole
What is the layer of the sun that emits light into space called?
Photosphere
What are dark, cool areas in the photosphere where the sun’s magnetic fields has weakend called?
Sunspots
What is a giant explosion in which the collapsing star is 10 billion K and the atomic nuclei in the core split into neutrons and protons called?
Supernova
What is the ball of neutrons that are formed when a star explodes called?
Neutron star
How did the constellations get their names?
From Characters, tools and animals
What is the constellations name of the great hunter?
Orion’s Belt