Ch 28

Question 1

Refracting telescope

Answer 1

Telescope that uses lenses to bring visible light to a focus

Question 2

Reflecting telescope

Answer 2

Telescope that uses mirrors to bring visible light to a focus

Question 3

Interferometry

Answer 3

The process of linking telescopes together so they act as one

Question 4

Spinoffs

Answer 4

Technology developed by NASA and used for commercial purposes

Question 5

Albedo

Answer 5

The amount of light a surface reflects

Question 6

Highlands

Answer 6

Light in color, mountainous, and heavily cratered regions on the Moon

Question 7

Maria

Answer 7

(Singular: mare) Dark, smooth plains regions on the Moon. About 3km lower than highlands

Question 8

Impact crater

Answer 8

All craters on the Moon are this, formed when objects in space crash into the lunar surface

Question 9

Ejecta

Answer 9

When an object crashes into the lunar surface, the material blasted out by the impact is this.

Question 10

Rays

Answer 10

Some craters have long trails of Ejecta (this) that radiate outward

Question 11

Rilles

Answer 11

Meandering, valley like structures on Maria

Question 12

Regolith

Answer 12

A layer of loose ground-up rock on the surface of the Moon. Averages several meters in depth but varies wildly according to location

Question 13

Ecliptic

Answer 13

The plane on which Earth orbits around the sun

Question 14

Summer solstice

Answer 14

When the Sun is in such a position that it is directly overhead at the Tropic of Cancer

Question 15

Winter solstice

Answer 15

When the Sun is in such a position that it is directly overhead at the Tropic of Capricorn

Question 16

Autumnal equinox

Answer 16

When the lengths of day and night are equal (in the fall)

Question 17

Vernal equinox

Answer 17

When the lengths of day and night are the same (in the spring)

Question 18

Synchronous rotation

Answer 18

When the orbital and rotational periods are equal for a planet slash thing

Question 19

Solar eclipse

Answer 19

When the Moon passes directly between the Sun and Earth, obscuring our view of the Sun

Question 20

Perigee

Answer 20

The closest point in the Moons orbit to Earth

Question 21

Apogee

Answer 21

The point in the Moon’s orbit when it is farthest from Earth

Question 22

Lunar eclipse

Answer 22

When the Moon passes through Earth’s shadow. only occurs with full moons