Quiz Fall 4-Physics & Space Science - Introductory Astronomy

1

When was it first known that Earth was spherical in shape?

2

You toss a ball to your friend. When the ball reaches its maximum altitude, its velocity is

3

Molecules are found only in the ________ clouds of the interstellar medium

4

Which of the following statements is true in the context of the formation of stars from the interstellar medium?

5

What would be most likely to disrupt the normal evolution of a star? Give examples of this

6

Suppose a white dwarf is gaining mass because of accretion in a binary system. What happens if the mass someday reaches the 1.4-solar-mass limit?

7

How many arcseconds are in 1 arcminute?

8

Aerobic organisms first started building up oxygen in the Earth's atmosphere around

9

The unified model describes active galactic nuclei using

10

The three largest asteroids are:

11

For microbes to survive the journey in a meteorite from another solar system body to the Earth they would have to survive the

12

The universe we live in now is said to be ________ dominated

13

Which of the following is not a good reason to place an observatory on a remote mountain to?

14

The most prominent feature of Mars observable from Earth is:

15

What do we mean by hyperspace?

16

The size of a neutron star is

17

About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90 mg per 100 ml of blood, although it may rise to 130 mg per 100 ml after meals high in carbohydrates. That the blood sugar level is maintained within a fairly narrow range, despite uneven intake of sugar, is due to the bodily process called:

18

Each choice below describes how a few astronomical phenomena are related to time periods. Which list is entirely correct? (Careful: some lists are partially correct.)

19

The amount of energy emitted by a star each second is the ________ and is measured in ________.

20

Star A has a temperature 1/2 that of star B, but star A is 3 times bigger than star B. Which statement below is correct?

21

Nearly all the elements found in nature were formed inside stars, EXCEPT for

22

According to current evidence, Pluto is best described as

23

If the Universe is closed, then its age will be

24

An RBE

25

Alpha Centauri A and B have an average orbital separation of about 23 AU and a period of about 80 years. Approximately what is the sum of their masses? If we presume that Alpha Centauri A is a star like our Sun, what is Alpha Centauri B's mass?

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Quiz Fall 4-Physics & Space Science - Introductory Astronomy

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