Show:
Telescopes
The Scale of the Universe
Characteristics of Stars
Lives of Stars
Stars Systems, Galaxies, and the expanding of the Universe
100
Energy that can travel through space in the form of waves is?
What is electromagnetic radiation
100
The apparent change in position of an object when you look at it from different places
What is parallax
100
The diagonal area in the H-R diagram
What is the main sequence
100
A large cloud of gas and dust that spreads out in an immense volume
What is a nebula
100
A system in which one star blocks the light from another periodically is called an...
What is an eclipsing binary
200
A range of different colors with different wavelengths is?
What is spectrum
200
Uses the powers of ten to write very large or very small numbers in shorter form
What is scientific notation
200
A graph to find out if the temperature and the absolute brightness of stars are related
What is the Hertzsprung-Russell diagram
200
A contracting cloud of gas and dust with enough mass to form a star
What is a protrostar
200
A loose, disorganized appearance of stars
What is an open cluster
300
A building that contains one or more telescopes is?
What is an observatory
300
The distance that light travels in one year
What is a light-year
300
The brightness of a star as seen from earth
What is the apparent brightness
300
When a supergiant star runs out of fuel explodes
What is a supernova
300
Large groupings of stars that are well-organized
What is globular clusters
400
Detects radio waves from object in space
What is radio telescopes
400
The parallax of any star that is farther is too small to ______ accurately
Measure
400
The brightness of a star would have if it were at a standard distance from earth
What is absolute brightness
400
The remains of high-mass stars
What is a neutron star
400
A law that states that the farther away a galaxy is, that faster it is moving away from us.
What is Hubble's law
500
A building that contains one or more telescopes is?
What is optical telescope
500
In space, light travels at a speed of about __________ meters per second
What is the 300,000,000
500
A device that breaks light into colors and produces an image of the resulting spectrum
What is a spectrograph
500
The blue-white core of the star that is left behind cools and becomes a ...
What is a white dwarf
500
The leftover thermal energy from the Big Bang
What is cosmic background radiation