Show:
Telescopes
Characteristics of Stars
Lives of Stars
Star Systems and Galaxies
The Expanding Universe
100
The range of different colors with different wavelengths
What is spectrum?
100
The unit used to measure distances in space
What is light-years
100
A large cloud of gas and dust
What is a nebula
100
Galaxies that have arms that come outward
What is a spiral galaxy
100
The idea that the universe formed in an instant, billions of years ago
What is the big bang
200
A telescope that uses convex lenses to gather and focus light
What is a refracting telescope?
200
A system used to classify stars and to understand how they change over time
What is H-R Diagram
200
How long a star lives depends on its
What is mass
200
A large group of older stars
What is a globular cluster
200
Radiation left over from the big bang
What is cosmic background radiation
300
A telescope that uses a curved mirror to collect and focus light
What is reflecting telescope
300
The brightness a star would have from a standard distance from earth
What is absolute brightness
300
A blue-white hot core of a star that is left behind
What is a white dwarf
300
A double star is also called a
What is a binary star
300
A small asteroid like body that forms planets
What is planetesimals
400
Devices used to detect radio waves from objects in space
What is radio telescopes
400
The apparent change in position based on your own perspective
What is parallax
400
A spinning neutron star
What is a pulsar
400
Our galaxy
What is the Milky Way
400
Matter that does not give off electromagnetic radiation
What is dark matter
500
A building that contains one or more telescopes
What is an observatory
500
A device that breaks light into colors and spectrums
What is a spectrograph
500
What the largest, most massive stars become when they die
What is a black hole
500
An active young galaxy with a black hole at its center
What is a quasar
500
A mysterious new force which causes the expansion of the universe to accelerate
What is dark energy