Chapter 31 section 1&2 Flashcards

(33 cards)

1
Q

Constellations

A

A group of stars that were named after people.

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2
Q

Radio telescope

A

Collects and amplifies radio waves.

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3
Q

Light-year

A

the distance light travels in a year.

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4
Q

Spectroscope

A

uses a prism or diffraction grating to separate light.

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5
Q

Nebula

A

stars that form from a large cloud of gas, ice, and dust.

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6
Q

Main sequence

A

fuse hydrogen atoms to form helium atoms.

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7
Q

Giant star

A

a first-magnitude star, orange in color, in the constellation Taurus.

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8
Q

White dwarf

A

forms as the core of a giant star.

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9
Q

Black hole

A

an area in space that is very dense.

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10
Q

Photo sphere

A

the layer of the sun that emits light into space.

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11
Q

sunspots

A

dark cool areas in the photo sphere.

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12
Q

Supernova

A

a star that suddenly increases greatly in brightness.

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13
Q

Neutron Star

A

a subatomic particle of about the same mass as a proton.

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14
Q

How do constellations get their shapes

A

stories, animals, and tools

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15
Q

What constellation represents the great hunter

A

Orions belt

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16
Q

What are Orions hunting dogs?

A

Candice major, and Candice minor

17
Q

What does Candice major mean

18
Q

What does Candice minor mean

19
Q

How many optical telescopes are their

20
Q

What does a refraction telescope use?

21
Q

What does a reflecting telescope use?

22
Q

What are the two names of the opticle telescope

A

reflecting, and refracting

23
Q

Why are space telescopes better than ground base telescopes?

A

Doesn’t have many interupptions from earths atmosphere

24
Q

What are the two telescopes names

A

Chandra-X, and Spitzer Space

25
What are the three things that a spectroscope can determine about a star?
A stars chemical composition
26
Stars that are closer to earth are what color?
yellow and the waves are more compact.
27
If a star is further from earth what color is it, and what are the wave lengths?
Red
28
What does the H and the R stand for in the H-R diagram
Hertzsprung and Russel
29
What is our sun also known as?
Giant star
30
What are the layers of the sun?
Core, radiation center, convection
31
What is the atmosphere composed of?
Cromosphere and the conrona
32
Sun spots are permanent true or false
False
33
Are sunspots cooler than surrounding areas?
Yes