Chapter 5. Physics & Space Science - Introductory Astronomy,introductory Physics

Beyond the formation of iron, nuclear energy can be produced only by

Which of the following observations would not be likely to provide information about the final, explosive stages of a star's life?

3

The spectra of the oldest stars show the most heavy elements

4

Collisions between galaxies

5

What 3 parts of the EM spectrum does hubble work in?

6

Synchrotron radiation is produced

7

What is Hawking radiation?

8

At midnight, on a clear and moonless night, the number of stars that are distinctly visible to the eye is in the range

9

What property of Mars is responsible for producing the great heights of its volcanoes?

10

The surface of Mercury looks very similar to ________

11

High temperatures are required to get H nuclei to fuse because they ________ one another because of their ________ electric charges

12

The latest observations of distant Type I supernovae suggest the universe is slowing down more than we had expected

13

The adoption of very similar streamlined body shapes by both sharks and dolphins provides evidence for

14

The Milky Way and the Milky Way Galaxy are the same thing

15

Olivine is the most common mineral in Earth's mantle.

16

The neutrino has

17

In our Sun, the spectral lines of hydrogen are weak, compared to their appearance in hotter stars

18

You have observed a star and classified it as a white dwarf. It has a surface temperature of 3000 K and a luminosity of 10−3 times that of the Sun star based on its position in the H-R diagram. Can you determine its mass by plotting its position on an H-R diagram?

19

Modern mammals are descendants of

20

The Pioneer and Voyager space probes passed near the jovian planets without landing or crashing into them

21

Which of the following molecules does NOT occur in left- and right-handed forms (carbon is the central atom and the groups around this central atom are in parentheses)?

22

A(n) _______________ is the changing phase the week between first quarter and full moon

23

If the net force acting on an object doubles, then the ________ doubles as well.

24

As the Universe cooled, it eventually reached a temperature of 3,000 K and protons were able to capture and hold electrons to form neutral hydrogen. This process is known as

25

If temperature refers to the intensity of agitation then absolute zero is no agitation

26

The mass number of an atom is determined by the weight of:

27

All the following types of objects are found almost exclusively in the disk (rather than the halo) of the Milky Way except

28

If a star with an absolute magnitude of −5 has an apparent magnitude of +5, then its distance is

29

Which of the following is considered "interplanetary matter"?

30

In the proton-proton chain

31

A star's absolute magnitude depends only on the star's

32

Planets with larger orbital radii have longer orbital periods only because they have a longer distance to travel in each orbit

33

In a positively-curved Universe (the surface of Earth has positive curvature), the angles of a triangle add up to

34

The surface temperature of the Sun can be measured using ________.

35

Where are red giants on the H-R diagram?

36

The redshifts of Galaxy A and Galaxy B have been measured. The redshift of Galaxy B is twice that of Galaxy A. Which is moving away faster?

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Chapter 5. Physics & Space Science - Introductory Astronomy,introductory Physics

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