Quiz a lot 10- Physics & Space Science - Introductory Astronomy

Hydrogen alpha is the longest wavelength Balmer line

Helium fusion is sometimes referred to as the _______________ because three helium nuclei are needed to make a carbon nucleus, and because the helium nucleus is called an alpha particle

3

The 4 new ‘planets' Galileo discovered are called the ___________________________

4

The more baryons there are in the universe (a higher density of baryonic matter), the lower the ratio of deuterium to hydrogen is. Therefore, if Harry measures a higher ratio of deuterium to hydrogen than Sally, Harry infers

5

Which of the following seems to be a region of self-sustaining star formation?

6

Venus has a higher uncompressed density than Earth

7

Most asteroids are very regular in shape with bright surfaces

8

You observe a star cluster with a main-sequence turn-off point at spectral type G2 (the same spectral type as the Sun). What is the age of this star cluster?

9

According to Newton's third law, the Voyager probes pulled just as hard on Jupiter as it did on them when they flew past it. Why were they accelerated enough to leave the solar system but Jupiter still is in orbit about the Sun?

10

The Earth and Moon always keep the same side towards each other

11

If all of the mass in the galaxy were concentrated at its center, then orbital velocity would be high near the center and would decline away from the center

12

A pulsar emits bursts of radio photons

13

Galileo discovered that Venus goes through a cycle of phases like the Moon. This suggested that

14

____________ is a satellite of Pluto

15

Which of these is the likely progenitor of a type II supernova?

16

According to the nebular theory, what are asteroids and comets?

17

Between now and 2024, in which year will there be no opportunities for a solar eclipse?

18

The dark maria on the moon are

19

If the Sun and stars are supported by gas pressure, what supports a white dwarf?

20

Which element is the dead end for cores of the most massive stars?

21

Of the two colors shown in the image above, the pink colored nebula is the least common

22

Imagine the much more massive Jupiter were to switch places with the less massive Mercury. Which of the following would accurately describe the outcome?

23

What is the complementary sequence corresponding to the DNA fragment AGTCAG?

24

When the Sun becomes a red giant

25

The Sun produces its energy through ________.

26

The luminosity of a star is the total amount of energy it radiates each second

27

The change in fossils at the K-T sediment layer suggests that in addition to the dinosaurs, _________ also went extinct.

28

A 200. mH inductor is connected to a 60. Hz, 120. volt rms, source

29

Volcanism is more likely on a planet that

30

The ____ of a radio telescope collects and focuses radiation

31

Which of these (hypothetical) modifications would cause lunar eclipses to happen once per month?

32

A 200-kg spacecraft is launched to the Moon. While in orbit around the Moon, its mass is ________.

33

The ____ of an object is a measure of the amount of matter it contains. On the other hand ____ is a measure of the gravitational force on an object

34

Which of the following is not visible during totality of a total solar eclipse?

35

Substance A has a density of 3 g/cm3 and substance B has a density of 4 g/cm3. In order to obtain equal masses of these two substances, the ratio of the volume of A to the volume of B will be equal to

36

Galileo's telescopic discovery of moons orbiting Jupiter was important because it showed that

37

How do the densities of the jovian and terrestrial planets compare?

38

If you are driving at 30 miles per hour and increase your speed to 60 miles per hour, you quadruple your kinetic energy

39

The Voyager I and II spacecraft visited the Jovian planets in the 1980s. When will they reach the distances of the nearest stars?

40

Our Moon:

41

Most galaxies have remained the same type and size since they formed.

42

____ has (have) wavelengths that are shorter than visible light. I. Gamma-rays II. Ultraviolet light III. Infrared radiation IV. X-rays

43

When the Sun becomes a white dwarf with a surface temperature similar to its current surface temperature, what will its luminosity be?

44

Which is closest to the temperature of the Sun's core?

45

Arrange the following distances in order from smallest to largest. I. kilometer II. light-year III. yard IV. Astronomical unit

46

Consider a bus designed to obtain its motive power from a large rotating flywheel (1400. kg of diameter 1.5 m) that is periodically brought up to its maximum speed of 3600. rpm by an electric motor at the terminal

47

Which of the following stars is hottest?

48

The first step in the proton-proton chain produces an antielectron, or positron. What happens to the positron?

49

How many Torino 2 asteroids are known to exist?

50

An optical telescope is able to resolve blue objects better than red objects.

51

Knowing the peak emission wavelength of a blackbody allows you to determine its ________

52

The heating of a planet or satellite because of friction caused by stretching due to the gravitational influence of a nearby body is referred to as _____

53

If the distance between us and a star is doubled, with everything else remaining the same, the luminosity

54

List at least three of the notable exceptions to the general patterns of the solar system

55

When multiplying several quantities, the number of significant digits in the result must always be

56

If the theory that novae occur in close binary systems is correct, then novae should

57

The tidal pull of the Moon is an example of a differential force, as the near and far sides of the Earth do not experience the same gravitational pull of the Moon

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Quiz a lot 10- Physics & Space Science - Introductory Astronomy

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