Let Quiz 1. Physics & Space Science - Introductory Astronomy

1

Asteroid 2004 MN4 is predicted to strike Earth in 2029

2

Why does a golf ball hit on the Moon travel farther than one hit on Earth? (Neglect air resistance and bad golfers.)

3

When a spinning ice skater pulls in his arms, he spins faster because

4

Which domain or domains are made up of organisms without nuclei?

5

How does the lava that forms a steep-sided volcano (a stratovolcano) compare to the lava that forms a shallow-sloped volcano (a shield volcano)?

6

Imagine that it turns out that dark matter (not dark energy) is made up of an unstable form of matter and that all of it suddenly decays tomorrow into photons or other forms of energy. Based on current understanding, which of the following would begin to occur?

7

A lightbulb is plugged into a household outlet, and one of the wires leading to it is wound into a coil. Now a slug of iron is slid into the coil. What effect will this have?

8

Imagine a planet like Earth orbiting the Sun, at an average distance of 1 AU but with a highly eccentric orbit. Which of the following statements about this orbit is not true?

9

Briefly describe the modern theory of how our Moon formed

10

What physical characteristics change in the Sun over the 11-year solar cycle? To what is this cycle apparently related?

11

The wavelength of an electromagnetic wave is 600 nm. What is its frequency?

12

How are the celestial poles and celestial equator defined by Earth's rotation?

13

What would you expect to be different in a planetary system in which the nebular gas is blown into interstellar space by a stellar wind earlier than occurred in our solar system?

14

Star may appear fainter due to the interstellar medium. This effect is known as ____________________

15

Why can't the dark matter in galaxies be made of neutrinos?

16

Process of Science: Explain how observations of asteroids, comets, and meteorites test our theory for the formation of the solar system in unique ways that are not possible through observations of the planets

17

The sidereal day is determined by the Earth's rotation with respect to the stars

18

Low air pressure is associated with warm air temperatures.

19

Tycho Brahe relied on the use of telescopes to record his accurate positions for the planets.

20

Our surveys of the Galactic Center are better done in infrared than visible light

21

According to Newton's second law, if you double the force acting on a body, the acceleration will double

22

Where on the celestial sphere would you look for the planets?

23

The twelve constellations through which the Sun passes are signs of the ________

24

The dark age started as the first stars began to form

25

The totally eclipsed Moon glows coppery red because sunlight reaches the Moon's surface after passing through Earth's atmosphere

26

Earth is about 150 million km from the Sun, and the apparent brightness of the Sun in our sky is about 1,300 watts per square meter

27

If + = and A + B = C, then the vectors and are oriented perpendicular relative to one other

28

The nearest naked-eye star to our Sun, Alpha Centauri, is still over a parsec distant

29

Which of the following represents a case in which you are not accelerating?

30

Which component of Earth's geology is believed to have been largely responsible for the long-term climate stability that has allowed life to evolve?

31

Astronomy and astrology were often practiced together in ancient cultures, and astrology played an important role in the historical development of astronomy

32

Living cells have already been recreated in our laboratories

33

A binary star system is one with two stars orbiting each other. How can the Doppler effect be used to find binary stars whose orbital plane is along our line of sight and determine their periods?

34

A star's emission line of 656 nm appears shifted to 649 nm in the spectrum. What can you conclude from this shift?

35

A spiral galaxy with an extremely luminous, active core is called a(n) _______________ galaxy

36

An atom that has fewer electrons than protons is called a(n) ________

37

Annual meteor showers such as the Perseids in August are caused by ________.

38

The ________ of the Earth causes the Sun and Moon to rise in the east and set in the west

39

A quasar's spectrum is hugely redshifted. What do most astronomers think this large redshift tells us about the quasar?

40

The ability of a telescope to separate two closely spaced stars is called ________

41

Sunspots are dark because

42

A radio galaxy whose lobes are swept back as if forming a tail. This probably indicates that:

43

Analysis of ________ stars has shown that star masses are in the range of ________ to ________ solar masses.

44

Suppose you live on the Moon. About how long is a day (i.e., from sunrise to sunrise)?

45

The asymmetrical surface markings on some of Saturn's moons are probably due to:

46

A vector has components Ax > 0, and Ay < 0, the angle that this vector makes with the positive x-axis must be in the range

47

That the Tharsis region on Mars has so few craters

48

What percentage of stars lie on the main sequence? Why?

49

X-rays travel at a greater speed than radio waves

50

Galileo was the first to observe the phases of ________.

51

Our calendar divides the year into 30-day periods in recognition of the synodic cycle of the Moon

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Let Quiz 1. Physics & Space Science - Introductory Astronomy

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