Measuring Distance in Space
What are light years?
How far light travels in one earth year
How many planets are in the solar system
8
What are the four outer planets
Jupiter, saturn, uranus, and neptune
Where is most space travel taking place
The solar system
What is a supernova?
When a star explodes
AU stands for
Astronomical units
What are the 4 inner planets
Mercury, Venus, Earth, and mars
Planet furthest from the sun
Neptune
When were voyager 1 and voyager 2 launched
1977
What is a nebula
1 AU in kilometers
150 million km
Does mercury have any rovers
No
How long it takes to reach the outer solar system
Years and decades
which telescope helps us study galaxies
James webb
What can develop new stars
nebulae
One light year in kilometers
9 trillion kilometers
Why is it hard to travel to mars and venus
Extreme heat
How many spacecrafts have reached the outer solar system
9
How close are voyager 1 and 2 to Proxima Centauri
They are 0.06% of the way to Proxima Centauri
What brings together the dust and gas that make up nebula
Gravity
Closest solar system in AU
13000 AU
How many satellites orbit earth
Over 8000
What is the asteroid belt
What is the name of nasa's program that is planning to send humans to the moon and mars
Artemis program
How far away is the closest nebula
700 light years away