ASTR Midterm EXAM Questions with CORRECT
Answers
Question:
Which of the following has your "cosmic address" in the correct order?
Answer:
You, Earth, solar system, Milky Way Galaxy, Local Group, Local Supercluster, universe
Question:
When we look at an object that is 1,000 light-years away we see it | _________.
Answer:
as it was 1,000 years ago Suppose we look at two distant | galaxies: Galaxy 1 is twice as
far away as Galaxy 2. In that case _. we are seeing Galaxy 1 as it looked at an earlier
time in the history of the universe than Galaxy 2
Question:
The total number of stars in the | observable universe is about
Answer:
_. the same as the number of grains of sand on all the beaches on Earth
Answers
Question:
Which of the following has your "cosmic address" in the correct order?
Answer:
You, Earth, solar system, Milky Way Galaxy, Local Group, Local Supercluster, universe
Question:
When we look at an object that is 1,000 light-years away we see it | _________.
Answer:
as it was 1,000 years ago Suppose we look at two distant | galaxies: Galaxy 1 is twice as
far away as Galaxy 2. In that case _. we are seeing Galaxy 1 as it looked at an earlier
time in the history of the universe than Galaxy 2
Question:
The total number of stars in the | observable universe is about
Answer:
_. the same as the number of grains of sand on all the beaches on Earth