H. O is the answer hope this helps
2
Answer:
- the age of the oldest stars
- patterns of background radiation
- how fast distant galaxies are moving away from us
Explanation:
According to the NASA, astronomers can estimate how old the universe is by comparing the age of the oldest stars and the rate of expansion of the universe. The rate of expansion of the universe is based on the Big Bang theory and it states that our universe is continuously expanding since it first developed. Astronomers measure Cosmic Microwave Background radiation resulting from the Big Bang.
The speed of the plane through the air is 430 mph, and you described a day when the wind was blowing at 20 mph.
Answer:
the correct answers are d, e, & f
Explanation:
just took the edge test