Introduction To Astronomy Flashcards
1
Q
What is the study of everything outside of earth?
A
Astronomy
2
Q
What is: anything in space [stars]?
A
Celestial object
3
Q
What star was always in the same place?
A
Polaris/Northstar
4
Q
Why were the first clocks designed to run clockwise?
A
Because that was the direction the shadow moved on the sundial
5
Q
What is: all matter and space beyond earth?
A
Universe
6
Q
What are distance is beyond our solar system and with in our universe measured in?
A
Light-years
7
Q
The distance light travels in one year at a speed of 3×10 to the power of 8 m/s
A
Light year. 1 year = 9.46x10 to the power of 12 km
