cosmos

Question 0

what is the most dangerous on the em spectrum

Answer 0

gamma rays

Question 1

what is the least dangerous on the em spectrum

Answer 1

radio waves

Question 2

what is the Big Bang theory

Answer 2

theory that a huge explosion occurred from a point or energy to create space
this was converted into matter

Question 3

evidence of the Big Bang theory

Answer 3

telescopes- show galaxies moving away suggests they were once close together
Doppler effect

Question 4

what is the Doppler effect

Answer 4

when the source moves toward an observer the wavelength decreases and the frequency increases and vice versa

Question 5

which color has a shorter wavelength and what does it mean for the object

Answer 5

blue is shorter

means the object is closer when it is blue

Question 6

what is red shift

Answer 6

when an object moves away from the observer it’s light is affected by the Doppler effect causing it to appear red