Stars
What is apparent brightness?
a. how bright something is
b. how bright something seems to be
The sun is the _________ of the universe.
center
Planets go around the sun. This is called ___________.
Orbit
Which planet has a rusty surface?
Mars
Where is the asteroid belt located?
Between Mars and Jupiter
Between the inner and outer planets
What does the brightness of a star depend on?
distance
The sun is a __________ size ____________.
medium/star
When the Earth orbits the Sun it gives us our ____
year
Which planet has the most moons?
Jupiter
Saturn very close 2nd
The sun holds the planets in their orbits due to its __________ ___________
gravitational pull
What does the ACTUAL brightness of a star depend on?
Why does the sun SEEM so bright?
because it is the closest star to Earth
When the Earth spins on its axis, it give us ___ and ____
day and night
Which planet is the largest?
Jupiter
What are the rings of planets made of?
ice, dust, and rock
What makes one star SEEM brighter than another?
how far away it is from Earth.(distance)
What sphere of the sun do we see when we look at it?
photosphere
How many planets are in our solar system?
8
Which planet is the smallest?
Mercury
What is Saturn made of?
hydrogen and helium
gas giant
Star One: 13.3 light years from Earth
Star Two: 4.2 light years from Earth
Which star has the GREATEST APPARENT brightness?
Star two
What is caused by energy heating the sun so much that is causes particles to explode off the sun?
solar flare
What is the order of the planets?
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
Which 2 planets have the least amount of moons?
How many do they have?
Venus and Mercury- no moons
Why are Uranus and Neptune blue?
methane gas in the atmosphere
(absorbs red light)