Physics & Space Science - Introductory Astronomy" QuizDoc 5

1

If an element of atomic number 15 has an isotope of mass number 32

2

The lowest layer of Earth's atmosphere is called the ________.

3

The earliest geological period in the Phanerozoic eon was the

4

The mass ratio of a rocket is defined to be the

5

How long after the Big Bang was the Planck time, before which our current theories are completely unable to describe conditions in the universe?

6

Substitute the correct prefix to the fun-word "10-3 mouse"

7

If we were to learn that the universe is a re-collapsing universe, then we must have misinterpreted Hubble's Law because the universe must be contracting, rather than expanding as generally believed

8

A(n) ____________________ is used to measure the brightness and color of stars

9

The law of gravitation is termed universal because it is a property of all material objects

10

An object is placed 15. cm from a concave mirror of focal length 20. cm. If the object is 4.0 cm tall,

11

The four fundamental forces that operate in the universe today are

12

Which of the following correctly describes the concept of galactic recycling?

13

This Hubble Space Telescope photo shows a planetary nebula. What is the white dot in the center (indicated by the arrow)?

14

Explain what a subduction zone is and how it is related to volcanism

15

The Moon's gravity is only _______________ that of Earth

16

An object moving away from the observer will exhibit a(n) _______________ shift due to the Doppler effect

17

The ________ epoch explains the isotropy of the cosmic microwave background mapped by COBE

18

Cepheid and RR Lyrae variable stars change their brightness by ____

19

Which of the following statements about the force attracting these two galaxies is true?

20

Relative to the age of the universe, how old is our solar system?

21

The celestial equator is always located ________.

22

Consider a container of 2.0 grams of hydrogen (one gram mole). Suppose you removed all the electrons and moved them to the other side of the Earth (Earth diameter 12740. Km)

23

Why is the Moon not completely invisible (it appears as a very deep red color) to the naked eye during a total lunar eclipse?

24

Explain how the eye and a camera differ in adjusting for a change in focus

25

Spiral arms are regions of star formation, which accounts for their blue color

Find your answers, solutions and more...

We made it much easier for you to find exactly what you're looking for on Sciemce. Enjoy our search engine "Clutch."

Save a GPA. Donate your notes with us.

Physics & Space Science - Introductory Astronomy" QuizDoc 5

Recent Packs