Sun Facts
What kind of energy does the Sun give to Earth? (Hint: two things)
heat and light
True or false: 10 light years away is closer than 7 light years away.
False
Why do other stars only appear as tiny dots in our sky?
Because the sun is closest to us, so it looks very big and bright. The other stars are farther away, and do not look as bright.
To observe means to _______________________.
Examine, inspect, look at, watch
How many stars are closer to Earth than the Sun?
a. 100
b. all the stars in the galaxy
c. 2 other stars
d. no other stars
d. is right, the closest star to Earth is the Sun!
Why does the Sun look so bright to us here on Earth?
Because it is closer to us than any other star!
True or false: a star's brightness has nothing to do with its distance.
False
What does the word "dim" mean in the sentence below?
The star looked "dim" from far away.
not bright, small or low lighting
What is the name of the star at the center of the solar system that supplies light and heat to Earth?
the Sun
Why does the Sun appear brighter to us than other stars?
a. it is larger
b. it is older
c. it is closer
d. it is hotter
c. it is closer
True or false: a star that is closer will appear brighter
true
What affects how bright a star is to us on Earth?
its distance from us
What is the name for the brightness of a star perceived by an observer on Earth?
(Hint: ______________ brightness)
apparent brightness
Alpha Centauri A is a star close to Earth, however, it does not look as bright as the Sun. Why?
a. Alpha Centauri A is older than the Sun
b. the dust in Earth's atmosphere makes it hard for us to see
c. Alpha Centauri is smaller than the Sun
d. the brightness is different because of the relative distance
d. REMEMBER BRIGHTNESS IS ALWAYS AFFECTED BY DISTANCE!!!
True or false: The farther a star is from Earth, the dimmer it will appear.
true
A star is a ball of gas in space that can produce its own __________ and ________________.
light and heat
Star distance is measured in light years. Which star would look brightest to us? (Hint: the closer it is, the brighter it is)
a. STAR A - 2 light years away
b. STAR B - 10.4 light years away
c. STAR C - 1.3 light years away
d. STAR D - 15 light years away
STAR C is the closest to us, so it would appear the brightest
What does the word "appear" mean?
to show up, the way something looks to us
"the cookie appears to have chocolate chips inside"