Some old dudes...
Who disproved the steady state theory?
Edwin Hubble
What was the 7th planet discovered by a telescope in 1781?
Uranus
Who concluded that the universe was expanding?
Edwin Hubble
What is a light year?
the distance light travels in a year
What is the Geocentric Model of the Universe?
The Earth centered model of the Universe.
What was the 8th planet discovered by a telescope in 1930?
Neptune
What are the special telescopes that are used to detect invisible forms of electromagnetic radiation?
Remote Sensing Instruments
When a light way is longer, what color light does it give off?
Red
What was the Heliocentric model of the Universe?
The sun-centered model of the Universe.
Pluto was reclassified as this type of planet in 2006.
A dwarf planet
What is the steady state theory?
The universe had always existed and would always exist in an unchanging state.
When a light way is shorter, what color light does it give off?
Blue
Who theorized the Geocentric model of the Universe?
Ptolemy
What were the first 6 planets to be discovered?
Mercury, Venus, Earth, Mars, Jupiter, and Saturn.
The universe began as a single point called a .....
singularity
When a star moves away from Earth, the light waves from the star that reach Earth seem stretched. What is the name of this?
Redshift
Who theorized the Heliocentric model of the Universe?
Nicholas Copernicus
What is the name of the first two elements introduced in the universe?
Hydrogen and Helium
The universe includes....
All matter, energy, space and time
When a star moves towards Earth, the light waves from the star that reach Earth seem compressed. What is the name of this?
Blueshift