Observing the universe Flashcards

1
Q

What is the shortest type of wave?

A

Gamma Rays

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2
Q

What is the longest wave length?

A

Radio Waves

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3
Q

A T.V. remote uses what type of waves?

A

Infrared Waves

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4
Q

What type of waves do you use when you talk on your cell phone?

A

Microwaves

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5
Q

Sunglasses block what type of waves?

A

Ultra violet

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6
Q

Name the types of rays from shortest to longest.

A

G.X.U.V.I.M.R

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7
Q

The ________, Planets, and Stars can be seen at night with an unaided eye.

A

Moon or Galaxies

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8
Q

The _______ Galaxy contains our sun and billions of other stars.

A

Milky Way

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9
Q

There are eight planets in our _________.

A

Solar System

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10
Q

Earth like planets in faraway ________ might support life.

A

Galaxies

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11
Q

Galaxies and ______ emit electromagnetic waves.

A

Stars

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12
Q

The hottest stars emit X-rays and ________

A

Gamma Rays

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13
Q

Cooler stars emit infrared waves and __________

A

Radio Waves.

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14
Q

Our sun emits much of its energy as ________

A

electromagnetic waves or visible light

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15
Q

_________ and moons reflect light from the sun

A

planets

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16
Q

________ produce their own energy and existed many millions of years ago.

A

Stars or Galixies

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17
Q

Young stars and planets hidden by dust and gas cannot be viewed by __________

A

Visible Light

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18
Q

_______ Formed early in the history of the universee

A

galaxies or stars

19
Q

____________ carry radiant energy

A

Electromagnetic Waves

20
Q

REFRACTING telescopes uses what?

A

Convex Lenses and it bends light to form an image.

21
Q

REFLECTING telescopes uses what?

A

Curved mirrors and it reflects light from one mirror to another

22
Q

What do REFRACTING and REFLECTING telescopes have in common?

A

They both concentrate light from a distant object and they gather ONLY visible light.

23
Q

What does hubble orbit?

A

The Earth

24
Q

What type of energy does Hubble collect?

A

Visible light

25
Q

what is Hubble used to study?

A

Distant Objects.

26
Q

What does Spitzer orbit?

A

The Sun

27
Q

What type of energy does Spitzer collect?

A

Infrared Waves

28
Q

what is Hubble used to study?

A

Objects hidden by dust and gas that can not be seen in visible light.

29
Q

What does James Webb orbit?

A

It will orbit the Sun

30
Q

What type of energy does James Webb collect?

A

Infrared Waves

31
Q

what is James Webb used to study?

A

Galaxies formed early in the history of the universe.

32
Q

Optical telescopes gather only ______ Light

A

Visible

33
Q

_______ telescopes use convex lenses to concentrate light

A

Refracting

34
Q

Refracting telescopes _____ light to form an image.

A

bend

35
Q

Reflecting telescopes use curved _______ top concentrate light?

A

mirrors

36
Q

Radio telescopes use ______ to collect radio waves and some microwaves.

A

antenna

37
Q

most _____ telescopes are located in remote deserts with dry environments.

A

Radio

38
Q

Optical telescopes work best ______

A

in space

39
Q

telescopes located in space avoid distortion from ____ atmosphere.

A

earth

40
Q

The hubble space telescope orbits ____

A

the Earth

41
Q

The _______ space telescope gathers visible light

A

Hubble

42
Q

_________ telescopes using infrared light antennas observe old or cold objects the don’t emit visible light

A

Space

43
Q

The _______ and James Webb telescopes orbit or will orbit the sun

A

Spitzer