Show:
Our Closest Star
Characteristics of Stars
Sizes & Distances
Kinds of Stars
Miscellaneous
100
The name of our closest star.
What is the sun?
100
The brightness of a star
What is magnitude?
100
A small to medium sized star like our sun
What is a dwarf?
100
Stars that regularly or repeatedly change in magnitude.
What are variable stars?
100
The distance light travels in one year.
What is a light year?
200
The distance from the earth to the sun
What is 150 million km?
200
How bright a star appears to us
What is apparent magnitude??
200
A star that is ten to hundreds of times larger than the sun
What is a giant?
200
Go through periods of swelling and brightening and then shrinking and dimming.
What are pulsating variable stars?
200
Collapsed core of a super nova considting of a dense ball of tightly compacted neutrons.
What is a neutron star?
300
The two main gases found in the sun
What are hydrogen and helium?
300
How bright a star really is
What is absolute magnitude?
300
A star that is humdreds of times larger and 1000s of times brighter than the sun
What is a supergiant?
300
Two pair of stars seen together that change apparent magnitude when one star eclipses the other.
What are eclipsing variable stars?
300
Formed by the collapse of a supergiant that has a gravitational force so strong that not evenlight can escape.
What is a black hole?
400
The process that converts hydrogen into helium
What is fusion?
400
The color of the coolest stars
What is red?
400
The next closest star after our sun
What is Proxima Centauri?
400
A cooling star explodes as it cools, becoming 1000s of times brighter
What is a nova?
400
A rapidly spinning neutron star that flings pulses of energy into space.
What is a pulsar?
500
The temperature at the core of the sun
What is 15 million degrees C?
500
A star's color is most closely related to this
What is surface temperature?
500
The method of determining the distance from earth to a star based on the star when viewed from different angles.
What is a parallax?
500
The death of a star that causes to blow apart, which appears as an increase in size and brightness
What is a super nova?
500
Shows the relationship between the surface temperature and absolute magnitude of stars.
What is the Hertzsprung-Russell Diagram?