H-R Diagram
What group lies within a luminosity of 102 and a temperature of 20,000 degrees Kelvin.
What are Main Sequence Stars?
A cloud of gas and dust that forms stars or results from dying stars.
What is a nebula?
The measurement from crest to crest (from the top of a wave to the top of the next wave).
What is wavelength?
The sequence a medium size star go through in their life.
What is protostar, main sequence, red giant, and dwarf?
What size is the sun? Large, medium or small?
What is medium?
What group lies within a luminosity of 103 and a temperature of 4000 Kelvins?
What is Red Giants?
How are galaxies classified?
What is by shape?
The electromagnetic wave with the longest wavelength and lowest energy.
What are radio waves?
The next phase in Earth's star cycle.
What is red giant?
What color star is the Sun?
What is yellow or orange?
The color of the coolest stars and the hottest stars.
What is red and blue?
Why does the Earth seem bigger to us than any other star, even though it is actually only a medium-sized star?
What is closest star to Earth?
What is visible light?
The name of the classification of a star that has a high temperature and a low luminosity.
What is a white dwarf?
The temperature and luminosity of the Sun.
What is 5000-7000K and 1L?
True or False: Blue Giants are brighter than Red Giants and have a lower temperature.
Before stars, the universe was mostly composed of these two elements.
What is hydrogen and helium?
True or False: Gamma rays have higher energy than X-rays.
What is True?
What are the two options after a star explodes as a supernova?
What is black hole and neutron star?
Where is the Sun located in the Milky Way galaxy?
What is in a spiral arm?
This is where Earth's Sun is located on the HR diagram.
What is in the Main Sequence?
What are the three galaxy categories?
What is spiral, elliptical and irregular?
The reason why astronomers use frequencies other than visible light to study space.
What is to gather more information?
This is where stars are born.
What is a nebula?
How far away is the Sun from Earth?
This has a luminosity of 10-3, and a temperature of 20,000 degrees Kelvin.
What is a White Dwarf?
A hot ball of gas in space.
What is a star?
List of all the electromagnetic energy from longest to shortest wavelength.
What is radio waves, microwaves, infrared, visible light, ultraviolet, x-ray, and gamma rays?
This determines which life cycle a star will have.
What is the mass of a star?
What is happening on April 8?
What is a total solar eclipse?