The property of stars that scientists use to determine the temperature of a star
What is color?
100
The color of the hottest stars
What is blue?
100
A wave that can travel with or without a medium
What is an electromagnetic wave?
100
speed of light
What is 186,000 mi/sec or 300,000 km/sec?
100
used to detect breaks in bones
What are x-rays?
200
The method used to measure the distance of stars close to Earth by viewing the star from Earth's location at one time during the year and then six months later
What is parallax?
200
The temperature of the sun compared to other stars
What is 'relatively cool'?
200
The two things that make EM Waves different from one another
What is frequency and wavelength?
200
This type of ray allows us to cook food
What is a microwave?
200
Used by your body to produce vitamin D
What is ultraviolet radiation?
300
The most common elements in which stars are composed of
What is hydrogen and helium?
300
The brightness of stars as viewed from Earth
What is apparent magnitude?
300
These packets of electromagnetic energy sometimes act like a wave and sometimes like a particle
What is a photon?
300
This is the color with the shortest wavelength in the visible light spectrum
What is violet?
300
most satellite transmitted information is carried on these waves
What is microwave?
400
This is determined by the size and temperature of a star
What is absolute magnitude or absolute brightness?
400
This is another term for absolute magnitude
What is luminosity?
400
This property of light decreases as photons travel farther from the source.
What is intensity?
400
Gamma, X-Rays, Ultraviolet, Infrared, Microwaves, and Radio waves
What is invisible radiation?
400
Type of radiation used to treat brain cancer
What are gamma rays?
500
The unit used to measure the distance between stars
What is light year?
500
This is the process that stars use to produce energy
What is nuclear fusion?
500
This type of wave has the shortest wavelength and the highest frequency
What is a gamma ray?
500
This form of EMR has the least amount of energy and frequency.
What are radio waves?
500
type of radiation used in security and TV remote controls