WorksheetsCFE Distances in Space
Total questions: 23
Worksheet time: 29mins
An astronomical unit is...
(a)
Astronomical units are used for (a)
The distance that light can travel in a year is called (a)
(a) would be the best unit to use to measure the distance between the asteroid belt and Pluto
(a) would be the best unit to use to measure the distance between the our sun and Proxima Centauri (our nearest star neighbor).
How far away is Earth from the sun in Astronomical Units?
1
150 million
92 million
3
A light-year (ly) is the distance that light travels in one year. If a star is 3 ly from Earth, how long does it take light from that star to reach Earth? (a)
Which two objects in space are located farthest apart?
Earth and Mars
Earth and the sun
Earth and the moon
the Milky Way galaxy and the Andromeda galaxy
A light year is a measurement of: (a)
A light year is a measure of (a)
Which of the following best describes the difference between two different units of distance in space?
An AU is useful for measuring distances within the solar system; a light-year is useful for measuring distances beyond the solar system.
An AU is calculated by dividing kilometers by 150 million; a light-year is calculated by determining how long it takes an object to travel 150 million AUs.
An AU is useful for measuring objects fewer than 300 light-years from Earth; a parsec is useful for measuring objects more than 300 light-years from Earth.
An AU equals the distance between Earth and the Sun; a parsec equals the angle between an object’s apparent positions when viewed from two different locations.
The Orion Nebula is a gaseous cloud in space containing numerous new stars. When viewing it through a high-powered telescope, an observer sees what the nebula looked like 1,500 years ago. How is this possible?
Light from the telescope takes 1,500 years to reach the nebula.
The nebula is 1,500 years old.
It takes 1,500 years for light from the nebula to reach Earth
A high-powered telescope needs to be adjusted for its location
Distances between planets and stars are too large to be expressed in everyday units. Which of the following units is most likely used when astronomers measure the distances between Earth and the stars of the Milky Way galaxy? (a)
When measuring from Earth to any place inside the solar system, which unit of measurement is used? (a)
How long does it take light from the Sun to reach us? (a)
(a) would be the best unit to use to measure the distance between the asteroid belt and Pluto
_______________ would be the best unit to use to measure the distance between the our sun and Proxima Centauri (our nearest star neighbor).
Astronomical units
Light seconds
Light years
Which object is closest to Earth?
Barnard’s Star
Planet Neptune
Andromeda galaxy
Triangulum galaxy
(a) would be the best unit to use to measure the distance between our sun and Proxima Centauri (our nearest star neighbor).
How long does it take light from the Sun to reach us? (a)
A.U. (astronomical units) are used to measure distances between _?_. (a)
Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth? (a)
If two stars are 100 light-years apart, what does this mean?
One of the stars formed 100 years before the other.
The stars are 100 million kilometers from each other.
It takes 100 years for light to travel from one star to the other.
It would take 100 years for a spaceship to travel between these two stars.
