This lesson includes 19 additional questions for subscribers.
Lesson Worksheet: Stars and Galaxies Science
In this worksheet, we will practice describing the Milky Way and how the light-year can be used as a measure of the distances between stars in the galaxy.
Complete the following sentence: A telescope makes distant objects appear .
The given table lists four stars and how far away they are from the Sun.
|Star||Sirius||Tau Ceti||Barnard’s Star||Alpha Centauri|
|Distance||8.7 light-years||11.8 light-years||6.0 light-years||4.4 light-years|
Which star is closest to the Sun?
- ATau Ceti
- BBarnard’s Star
- DAlpha Centauri
Which star is furthest away from the Sun?
- AAlpha Centauri
- CBarnard’s Star
- DTau Ceti
Complete the following sentence: A light-year is equal to the distance that a beam of light would travel in .
- A1 year
- B1 hour
- C1 minute
- D1 day
- E1 second
Complete the following sentence: A galaxy contains of stars.
- Dhundreds of thousands