The path Earth makes around the Sun is called the?
Orbit
What instrument can an astronomer use to see objects that are very far away?
Telescope
Patterns of stars in the sky are called what?
Constellations
Our solar system is a part of what?
Milky Way
Which of the following planets is the only one where life is known to exist?
Earth
What two planets have visible rings around them?
Saturn and Uranus
What country successfully launched its first satellite named Explorer 1?
United States
A large object that orbits a star is a?
Planet
Who believed that Earth was the center of the universe?
Aristotle and Ptolemy
Our Sun is a?
yellow dwarf star
How many days does it take for Earth to make one revolution around the Sun?
365 Days
What was the the first mammal to enter space?
Dog
What star doesn't allow you to see other stars during the day but allows you to see the glowing Moon at night?
Sun
Ptolemy created a model with Earth at the center of the universe with everything rotating around it. What model was this?
Geocentric Model (Ptolemaic system)
What is a meteor?
Space debris
The object in our solar system with the strongest gravitational pull is what?
The sun
What was the name of the satellite launched into space?
Sputnik 1
Thermal energy that travels from the Sun to Earth is transferred by?
Radiation
The Milky Way Galaxy has a dense ball of old stars in the center of it. This part of the galaxy is known as the
Galactic or central bulge
Earth spins on its axis. What does the term axis mean?
An imaginary line which runs through the center of Earth.
This planet has a giant hurricane-like storm called the Great Red Spot.
Jupiter
Neil Armstrong and Buzz Aldrin landed on the Moon on?
July 20, 1969
Constellations that appear to circle the poles are called______ constellations.
circumpolar
We live in the Milky Way Galaxy. What kind of galaxy is the Milky Way?
Barred spiral galaxy
When the Moon is between the Sun and Earth, it appears completely in shadows. What is this lunar phase called?
New Moon