WorksheetsES&G Quiz 2 Review - Star's Brightness
Total questions: 10
Worksheet time: 6mins
What do scientists use because they cannot physically travel to a star to take its exact measurements?
apparent brightness
absolute brightness
apparent calculations
absolute calculations
The Sun is a _______ dwarf star.
green
red
orange
yellow
This is the distance that light can travel in a year:
kilometers
miles
light years
wavelengths
A ________________ _____ or au is how we measure distance in our Solar System:
atomic unit
abominable unit
astronomical unit
adhensive unit
Luminosity in measured in _____>
grams
meters
ohms
watts
What two gases make up the sun?
hydrogen
oxygen
helium
nitrogen
What three factors are considered when discussing apparent brightness of a star?
time
distance
temperature
color
luminosity
A star is _____ when its cooler.
red
blue
yellow
white
Why does the sun seem to be the brightest star?
It is the biggest star.
It is the brightest star.
It is the closest star.
It is the hottest star.
How many stars, visible in the night sky, are closer to Earth than the Sun?
All of them.
None of them.
About half of them.
Only one.
