College

Front 1

The Arecibo radio telescope is laid out like which optical telescope design?

Back 1

Prime

Front 2

What aspects of the planets orbits are nearly the same for most planets?

Back 2

shape and tilt

Front 3

the jovian planets

Back 3

all have rings

Front 4

a region where a denser basaltic plate is sub ducted under a continental one is:

Back 4

the Nazca Trench

Front 5

A telescope with a 60 mm objective lens collects how many times as much light as does your eye's 6 mm exit pupil?

Back 5

100

Front 6

in noting that our world is "differentiated," we mean that:

Back 6

the iron and nickel core is denser that the silicate mantle and crust

Front 7

Compared to optical telescopes, radio telescopes are built large because

Back 7

radio photons don't carry much energy

Front 8

Earth's magnetic field

Back 8

prevents charged particles in the solar wind from reaching the surface

Front 9

within earth's atmosphere, in which layer does convection occur?

Back 9

the tropopshere

Front 10

the critical part of the atmosphere for protecting life on the ground from excessive ultraviolet radiation is the:

Back 10

ozone layer

Front 11

the principal greenhouse gases in our present atmosphere are:

Back 11

water vapor and carbon dioxide

Front 12

the Kuiper Belt is an "outer asteroid belt" consisting of what types of solar system bodies?

Back 12

asteroids

Front 13

a major advantage of a newtonian reflector over a refractor is

Back 13

the elimination of chromatic aberration

Front 14

the amount of diffraction a telescope creates depends upon:

Back 14

the wavelength and the diameter of the telescope objective

Front 15

our best close-up views of the jovian moons came from the many passes by:

Back 15

Galileo

Front 16

which type of telescope has the simplest light path?

Back 16

prime focus

Front 17

which major atmospheric component is chiefly a product of life processes

Back 17

oxygen

Front 18

the Mariner 10 spacecraft visited which bodies in the solar system?

Back 18

Mercury and Venus

Front 19

Which parts of the Sun's radiation are responsible for heating Earth's surface?

Back 19

the visible and infrared

Front 20

Compared to the density of water, our Earth averages:

Back 20

about 5 times denser

Front 21

The Kuiper Belt is found where in the solar system?

Back 21

beyond the orbit of Neptune

Front 22

Mercury's most unusual orbital feature, as compared to the other planets, is

Back 22

the shape of its orbits

Front 23

In which part of the electromagnetic spectrum have astronomers been unable to get info?

Back 23

we now can access info in all

Front 24

what is the goal of comparative planetology

Back 24

to determine the origin and evolution of the solar system

Front 25

within Earth's atmosphere the ozone layer is located

Back 25

in the stratosphere

Front 26

the presence of a magnetic field is a good indication that

Back 26

we have a liquid metal outer core, spinning rapidly as we rotate

Front 27

This design involves only one optical surface, a concave mirror

Back 27

we have a liquid metal outer core, spinning rapidly as we rotate.

Front 28

in order to determine the mass of a planet by applying newton's laws of motion and gravity, the planet must have

Back 28

moons

Front 29

The region around Earth where the magnetic field traps charged particles is the :

Back 29

Van Allen

Front 30

What is the percentage of Earth's atmosphere (by volume) that is carbon dioxide

Back 30

0.03

Front 31

the convex secondary mirror in this design focuses light down through a hole cut in the concave primary mirror

Back 31

cassegrain reflector

Front 32

what is true of spring tides?

Back 32

the different between low and high tides would be greatest

Front 33

Objects in the Kuiper belt

Back 33

lie beyond the orbit of Neptune, and close to the ecliptic

Front 34

Which of these devices helps correct coma in fast reflectors

Back 34

schmidt corrector plate

Front 35

Which of the following have an icy composition

Back 35

comets

Front 36

This design combines the radiation from two different telescopes to greatly enhance resolution via computer synthesis

Back 36

interferometer

Front 37

The most important advantage of CCDs over film is that

Back 37

they record much more light in a given exposure time

Front 38

The "Grand Tour" of all four jovians was conducted by:

Back 38

Voyager 2

Front 39

Which design has a convex primary mirror and flat secondary mirror, with the eyepiece located on the top side of the telescope tube?

Back 39

Newtonian reflector

Front 40

As the solar nebula contracts due to gravitation, the cloud

Back 40

spins faster

Front 41

Why are most large telescopes reflectors, not refractors?

Back 41

All above

Front 42

which of these landed on Venus?

Back 42

Venera 7