How can scientific models help us understand the Big Bang? - OCR 21C test questions - OCR 21st Century

1

Which of these is a dwarf planet?

2

Which of the following is a natural satellite?

3

What happens to the speed and velocity of a planet in a circular orbit?

4

Which body was the first stage in the formation of the Sun?

5

What sort of reaction mainly happens in the Sun?

6

What is red-shift?

7

Which of these statements best describes the main sequence stage of a star’s life?

8

What feature is believed to be the thinly spread remains of energy released in the Big Bang?

9

Why do scientists believe in the Big Bang theory?

10

Observations of which objects suggest that the Universe is expanding?