Chapter 1

Ryan Tram
Quiz by Ryan Tram, updated more than 1 year ago
Ryan Tram
Created by Ryan Tram over 3 years ago
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Astronomy
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Resource summary

Question 1

Question
Which one of the following statements best describes the Sun?
Answer
  • generates energy by nuclear fusion
  • located 10 AU from Earth
  • orbiting the Solar System
  • located in the centre of the Milky Way

Question 2

Question
In the organization diagram below in which area the term: Polaris would appropriate fit?
Answer
  • Yellow area= Solar system
  • Red area=Milky Way
  • Light Blue= Universe

Question 3

Question
Which of the following sequences objects is in the correct order of increasing distance?
Answer
  • Venus, Saturn, Moon, Andromeda galaxy, Polaris
  • Moon, Venus, Saturn, Polaris, Andromeda galaxy
  • Polaris, Andromeda galaxy, Moon, Saturn, Venus
  • Andromeda galaxy, Saturn, Venus, Polaris, Moon

Question 4

Question
The nearest star to our solar system is alpha Centauri at 4.0 ´ 1016 m (4.3 ly away). The diameter of the sun is 1.4´ 109 m. How many suns would it take to line up adjacent to each other in order to reach alpha Centauri?
Answer
  • 5.6´10^6
  • 5.6´10^8
  • 2.8´10^25
  • 2.8´10^7

Question 5

Question
There approximately 100 billion stars in our galaxy. If there 100 billion observable galaxies in our universe, what is a reasonable estimate for the total number ion the universe?
Answer
  • 1.0´10^22
  • 2.0´10^20
  • 1.5´10^15
  • 1.0´10^24

Question 6

Question
The distance to a super cluster galaxy might be
Answer
  • 100 Mpc
  • 10 Kpc
  • 120 Ly
  • 10 AU

Question 7

Question
Approximately 100 Earths would fit inside Jupiter. This Jupiter’s radius must be …………….times larger that Earth’s radius.
Answer
  • 100
  • 12
  • 10
  • 1000

Question 8

Question
A spherical particle in the ring of Saturn has radius of about 1m. The surface area of the particle in the area of radiation flow is
Answer
  • 125 m2
  • 3.14 m2
  • 12.6 m2
  • 14 m2

Question 9

Question
A spherical particle in the ring of Saturn has radius of about 1m. The cross sectional area of the particle in the area of radiation flow is:
Answer
  • 125 m2
  • 3.14 m2
  • 12.6 m2
  • 14 m2

Question 10

Question
If the landing lights in Denver airport were switched on, then in one second these photons travel to:
Answer
  • New York (1580 km)
  • Alpha Centauri (40,000,000,000 000 km)
  • The Sun(150,000,000 km)
  • Moon (384,000 km)

Question 11

Question
Sirius the brightest star in the sky is about 9 ly away. If the speed of light became half of its present value, how far would Sirius be?
Answer
  • 9 ly
  • 18 ly
  • 4.5 ly
  • 32 ly

Question 12

Question
The Andromeda galaxy is about 2,000,000 ly away. Therefore light started its travel
Answer
  • 1,000,000 y
  • 2,000,000 y
  • Just a second ago
  • Can’t be determined

Question 13

Question
In the diagram, what is the diameter of Mercury?
Answer
  • about 240 km
  • about 2400 km
  • about 24,000 km
  • about 240,000 km

Question 14

Question
What is 5.7×107 the same as?
Answer
  • 5.7 million
  • 57 thousand
  • 570 thousand
  • 57 million

Question 15

Question
If the distance from the Sun to the Earth is represented by roughly 15 metres, then what would the distance from the Earth to the Moon on the same scale be?
Answer
  • about 30 metres
  • about 10 metres
  • about 1 metre
  • smaller than the width of your hand

Question 16

Question
Approximately how many times larger than the diameter of a typical planet (the Earth) is the diameter of a typical star (the Sun)?
Answer
  • 10 times
  • 100 times
  • 1000 times
  • 10,000 times

Question 17

Question
What does the Solar System contain?
Answer
  • the Sun, its planets, and some smaller bodies
  • the Sun, galaxies, planets, and stars
  • the Sun, planets, moons, and stars
  • the Sun, planets, asteroids, and galaxies

Question 18

Question
What is the approximate diameter of the Earth?
Answer
  • 1 AU
  • 13,000 light-years
  • 13,000 kilometres
  • 1,000,000 kilometres

Question 19

Question
Which of the following is no longer considered a major planet?
Answer
  • Mercury
  • Uranus
  • Pluto
  • Saturn
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