P7 Revision Quiz

General questions on topic P7.

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  • Created by: Oscar N.
  • Created on: 08-05-12 14:31
How long is a solar day?
24 hours
1 of 12
Roughly how long does it take for the Moon to orbit the Earth?
28 days
2 of 12
How long is a sidereal day?
23 hours 56 minutes
3 of 12
What unit of measurement is used when measuring how far away distant galaxies are?
Megaparsecs
4 of 12
What does parallax enable astronomers to do?
Measure the distance of visible stars.
5 of 12
The luminosity of a star is affected by what two factors?
Size, Temperature
6 of 12
In a simple telescope which is more powerful?
Eyepeice
7 of 12
What is the first stage in a stars life cycle?
Protostar
8 of 12
What part of a star is electromagnetic radiation emmitted into space from?
Photosphere
9 of 12
What property of light occurs in lenses to change its direction?
Refraction
10 of 12
When refering to being produced through lenses, real reffers to:
It can be displayed on a screen because light passes through it.
11 of 12
Who was correct about the number of galaxies in our universe?
Curtis
12 of 12

Other cards in this set

Card 2

Front

Roughly how long does it take for the Moon to orbit the Earth?

Back

28 days

Card 3

Front

How long is a sidereal day?

Back

Preview of the front of card 3

Card 4

Front

What unit of measurement is used when measuring how far away distant galaxies are?

Back

Preview of the front of card 4

Card 5

Front

What does parallax enable astronomers to do?

Back

Preview of the front of card 5
View more cards

Comments

Osarieme

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The answer for Question 18 is incorrect because neither Shapley or Curtis were fully correct as Edwin Hubble proved their theories both wrong.

Harriet Robinson

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but it isnt asking who is fully correct it is asking who is correct about one aspect read the question properly and you are more likely to pass exams

Bomsxx

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Osarieme wrote:

The answer for Question 18 is incorrect because neither Shapley or Curtis were fully correct as Edwin Hubble proved their theories both wrong.

Curtis was the one who said the universe was made up of lots of different galaxies each containing billions of stars, so he was technically correct about the number of galaxies, although there was never a proper number.

abi

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excellent quiz, thankyou very much

TheWickedSkengman

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LOVE ITTTTTTTTTTTTTTTTTTTTTTT

mccracken

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iloveurmum

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