ROYGBIV is the acronym for this.
What is the visible spectrum
An imaginary pattern or figure of stars.
What is a constellation?
Two or more stars are know as
What is a star system?
The theory of how the universe formed.
What is the big bang?
This is the longest waves for this type of electromagnetic radiation.
What is radio waves?
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
What is a galaxy?
When an object is moving away from us, like the galaxies, the light from the object is known as this
What is redshifted?
What is the HR Diagram?
(Daily Double) To determine the chemical composition of a star.
What is a spectrograph?
Describe the three types of galaxies.
What is spiral (pinwheel), elliptical (flattened ball) and irregular (no regular shape)?
(Daily Double) This is the two pieces of evidence that supports the Big Bang theory.
What is Hubble's law, the observation that the farther away a galaxy is, he faster it is moving away from Earth, and cosmic background radiation, which is radiation left over from the big bang?
This is how a star produce its energy.
What is nuclear fusion?
The brightness of a star if it were at a standard distance from Earth?
The Sun will become this when it runs out of its fuel.
What is a white dwarf?
This is the name of our galaxy.
What is the Milky Way?
What do scientists conclude about the future of the universe?
What is it will likely expand forever?
From largest to smallest they are: Universe, galaxy, solar system, planets
What is the hierarchy order of the universe?
What is a light year?
The distance light travels in one year.
A massive star life will end as one of these celestial objects.
What is a neutron star or black hole?
Two stars orbiting around each other.
What is a binary star?
What is hydrogen and helium?