Constellations
Do stars stay in the same position all the time?
No, stars/constellations rotate and move around.
What is a spectrum of light?
A spectrum of light is a range of wavelengths
Where is the birthplace of stars?
Nebula- a cloud of dust and gas
Is light a wave and a particle?
What color star is the coldest?
Red and orange
What causes the stars to move?
The rotation of the earth
What are the 3 types of spectra?
Continuous spectrum, Emission line spectrum, Absorption line spectrum
What is the longest stage of a stars life?
Main Sequence
Is anything faster than the speed of light?
No
What color star is the hottest?
Blue and white
What star is the center of rotation?
Polaris (North Star)
Why is the electromagnetic spectrum relevant to astronomy?
It allows us to see different types of light that comes from things in space.
What is the difference between a yellow dwarf and a blue giant?
Blue giants are bigger, hotter and dies sooner. Yellow dwarf's are smaller
What type of wave has the most energy?
Gamma Rays
What is apparent magnitude?
How bright an object in the sky appears
What are asterisms?
groups of stars that form a pattern. Ex: The big dipper
What is the electromagnetic spectrum?
It is the waves of different radiations such as light
How do stars produce energy?
Hydrogen atoms smash together, and it forms helium, then releases energy that heats the gas
What is a red and blue shift?
Red shift is when the object is moving away from you, while blue shift is when the object is moving towards you.
What is absolute magnitude?
Measuring stellar properties
How many zodiac constellations are in the sky?
13
How are spectra used to analyze stars?
How do red giant stars die?
It loses heat and mass from the core, causing the outer layer to blow off
What does the H-R Diagram show?
The relationship of a stars temperature and luminosity.
What is the relationship between apparent and absolute magnitude?
The absolute magnitude of an object equals the apparent magnitude