Galileo used this tool to discover new celestial objects.
What is a telescope?
A _______ holds galaxies together.
What is a super massive black hole?
These planets are the largest and coldest planets from the Sun.
What are the Outer Planets?
The Moon has lots of these on it's surface.
What are craters?
This band of dust and rock orbit the Sun.
What is the Asteroid Belt?
A group of stars can make this.
What is a constellation?
Scientists have no idea how and why this occurred.
What was the Big Bang?
This group of planets are the swiftest and warmest of the planets.
What are the Inner Planets?
The first man on the Moon.
Who was Neil Armstrong?
Another separate group of dust and rock that orbits the Sun.
What are the Trojan Asteroids?
All stars rely on this element to start nuclear fusion.
(Atomic Number 1) What is hydrogen?
Until Cassini passed by Saturn, they found out the truth about Saturn's faint E ring.
What is Enceladus?
Earth used to be cooler, but now harmful substances have changed the Earth.
What is global warming?
This person was the second person on the Moon.
Who was Buzz Aldrin?
Albert Einstein made this very famous equation.
What is E=MC2?
Stars usually come with companions.
What is a binary star system?
This invisible thing is even more stranger than dark matter.
What is dark energy?
Planets were being born and destroyed during this era.
What was the Late Heavy Bombardment?
Because the Moon constantly pulls on Earth, it results in this.
What are tides?
There are lots of dark spots on planets with lots of moons.
What is a Solar Eclipse?
We get everything we see and hear by this spectacular event.
What is a supernova?
Along with black holes, ____________ holds galaxies together.
What is dark matter?
In the Late Heavy Bombardment, lots of this happened.
What is a collision?
The Moon was made from the destroyed planet of ______.
What was Thea?
A mixture of this and rock can make a meteor.
(Atomic Number 28) What is nickel?