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T-Scopes
Stars
Galaxies
Universe
Words you should know
100
type of light we see
What is visible light
100
a star system has at least ________ stars
What is two
100
galaxy with a pinwheel shape
What is spiral
100
theory in which the universe formed from an explosion
What is big bang
100
how astronomers measure distance to stars
What is light year
200
Radio waves are (longer or shorter) than waves of visible light
What is longer
200
when a dying high mass star explodes it becomes a
What is supernova
200
the sun / earth are part of a ___________ type of galaxy
What is spiral
200
universe formed about __________ years ago
What is 13.7 or 14 billion
200
telescopes work by collecting different types of
What is electromagnetic radiation
300
telescope that uses mirrors to focus light on a small area is called
What is reflecting telescope
300
when most massive stars explode they become
What are black holes
300
galaxy without a defined shape
What is irregular
300
a huge cloud of gas and dust that collapsed to form our solar system
What is solar nebula
300
matter in space that does not give off electromagnetic radiation (can't be seen by telescope)
What is dark matter
400
measurement of one wave to the crest of the next is called
What is wavelength
400
all stars begin as a
What is nebula
400
Hubble's law says that the farther away a galaxy is...
What is the faster it is moving away from us
400
most galaxies are moving apart meaning the universe is ____________
What is expanding
400
what scientists use to write large numbers in short form (to the power of ten)
What is scientific notation
500
all the different types of electromagnetic waves make up
What is the electromagnetic spectrum
500
the life cycle of a star is determined by the star's
What is mass
500
Which has less / almost no gas or dust between stars- elliptical or spiral
What is eliiptical
500
leftover thermal energy from the big bang is called
What is cosmic background
500
when this occurs it means a star is born
What is nuclear fusion