galaxies
galaxies
What do you call a large group of stars, dust and gas?
Nebulas
Where stars are born.
What forces forms stars?
Gravity
What is it called when we take and collect information?
Observations and testing
A famous physicist known for his theory on black holes.
Who was Stephen hawking?
Milky Way; spiral
What type of galaxy do we reside in?
protostar
What is the stage of a star where fusion energy begins?
What are the characteristics of the universe?
Everything in it, so large it’s hard to comprehend.
Created the HR diagram.
Who is Hertzsprung and Russell?
Closest spiral galaxy to the Milky Way.
What is andromeda?
spiral, elliptical, irregular
What are the 3 types of normal galaxies?
Blue then red.
What’s is the hottest and coolest star?
14 billion years
How old is the universe?
Can be found in space or on earth used to see and observe far away objects.
What is a telescope?
The x and y axis of HR diagram.
What is Luminosity (y) and Temperature (x)?
A spiral is a disk shaped that has arms while elliptical is oval shaped.
What makes a spiral galaxy different from an elliptical?
Lower mass stars
Do stars with lower mass or higher mass live longer?
Units used to measure space.
What’ is Light years, astronomical units, and parsecs?
A device sent into space used to track, take images, collect data on objects outside and inside our solar system.
What is a probe?
3 arms.
How many arms does the Milky Way have.
Stars are moving faster around the galaxy’s center, and radiation is emitted from the center.
What is the evidence of a black hole at the center of our galaxy?
What phase is a star in when it fuses helium into carbon?
Red giant.
How the universe was created.
What is the big bang theory?
The last image taken was of “the blue dot”. Representing earths small presence in the universe.
What was the Hubble telescope?
Astronomy and physics.
What is the study of space and its objects?