Physics & Space Science - Introductory Astronomy Pace 4 Quiz

1

From the Sun, the distance to the Galactic Center is about

2

Neptune has a methane-rich atmosphere

3

In contrast to the photosphere's continuum, the spectrum of the chromosphere is dominated by ________ lines

4

What is the process in which an enzyme makes a reaction run much faster than it would on its own?

5

Why is Earth's orbit often referred to be a "nearly perfect circle" and not a true ellipse?

6

Which of the following appears least important in the evolution of life here?

7

Intelligence may be subject to convergent evolution because it

8

When the mass of a simple pendulum is tripled, the time required for one complete vibration

9

Which of the following statements best describes the quantum property spin?

10

The absence of liquid water on Venus is responsible for its ________.

11

Tidal friction caused by Earth's stretching from the Moon's gravity is gradually slowing down the rotation of Earth

12

As a spaceship approaches the event horizon of a black hole, its radio transmissions would

13

The spectrum of radio galaxies matches ________ radiation, and is produced in strong magnetic fields

14

The equators of all four jovian planets rotate more rapidly than the polar regions

15

The process in which a gas cools and its molecules stick together to form liquid particles is called

16

According to modern science, approximately how old is the Sun?

17

What makes the Crab Nebula pulsar unusual among other pulsars?

18

Which approach is currently proving to be the most promising way of determining how life on Earth originated?

19

The result of a galactic merger depends on the ________ of each galaxy

20

Which of the following could not be determined by an observation that uses only spectroscopy?

21

The satellite Amalthea orbits Jupiter at just about the same distance in kilometers at which Mimas orbits Saturn. Yet Mimas takes almost twice as long to orbit

22

Earth's rapid rotation makes its axis sweep out the shape of a cone, like a heavy top slowing down. This motion is known as ____

23

A(n) ____________________ is the largest known structure in the universe

24

You are walking around on a solid surface; the surface gravity is comfortable, but it is "hot as hell." It feels as if your eyeballs are being squeezed, and your insides are queasy (due to the high pressure—almost like being deep in the ocean)

25

The capture of too few solar neutrinos by Davis in the solar neutrino experiment

26

The lowest-mass stars cannot become giants because

27

A carbon resistor has a resistance of 18 Ω at a temperature of 20°C. What is its resistance at a temperature of 120°C? (The temperature coefficient of resistivity for carbon is -5.0 × 10-4 /C°.)