Colors of the stars
What can a blue star tell us?
It's hotter
Are blue stars brighter than red stars?
Yes
What are the smallest stars called?
White Dwarfs
What type of star is our sun?
Yellow dwarf
How old is our sun?
What does the color of a star determine?
The color of a star determines the temperature of a star.
What is the dimmest type of stars?
Brown Dwarf Stars
What are the biggest kinds of stars called?
Hypergiants
In 5 billion years what type of star will our sun be?
Red giant
What is a star's average life span?
10 billion years
Why do stars have color?
Stars hae color because of its surface temperature.
What are the brightest types of stars?
Blue hypergiant
Around 90%
List are 4 categories of stars
White dwarfs, Red Dwarfs, Brown Dwarfs, Yellow dwarfs, Giants, Supergiants, and Hypergiants.
What determines how long a star will last/live before changing/dying?
Mass
What is the most rare star color that is seen?
Gree, indigo, or violet.
What does the luminosity of a star indicate?
The luminosity of a star indicates the amount of energy coming from the star.
What is the main comparison between white dwarfs to giants?
The main comparison between the two stars is their size.
List the 2 characteristics of a supergiant that make it a supergiant.
Luminosity and Size
Around how old will our sun be before dying? (think large)
Around 1 trillion years
Name every actual star color.
White, blue, yellow, orange, and red.
How do you calculate the luminosity of a star?
(Brightness)(12.57)((Distance)^2)
List 5 different star groups from smallest to biggest.
White dwarfs, brown dwarfs, red dwarfs, yellow dwarfs, blue giants, red giants, blue supergiants, red supergiants, blue hypergiants, and red hypergiants.
How many different types of star are there?
11
What does nuclear fusion have to do with the creation of a star?
Nuclear fusion releases energy that stars can gather and will be able to form with others before becoming a star.