Space Crossword

It takes Earth one year to travel this path.
This kind of star spins approximately 600 times per second.
When a star implodes, it creates this.
This planet was reclassified as a dwarf planet in 2006.
This planet was named after the God of War.
There are more of these in the universe than grains of sand on Earth.
One of Jupiter's moons?
This planet has a storm on its surface that has been continously visible for almost 200 years.
What is the main ingredient in Saturn's rings?
How many rings does Neptune have?
Which planet is the coldest in the Solar System?
This astronomer discovered four of Jupiter's moons more than 400 years ago
What is the windiest planet in the Solar System?
This cloud surrounds the solar system
The solar wind can sometimes be seen on Earth as this light display.
This planet is 150 million km away from the Sun.
Jupiter has 67 of these.
How many minutes does it take for light frm the Sun to reach the Earth's surface?
Valles Marineris, found on Mars is 4000 km long and is the longest known ____ in the Solar System.
Venus has more than 1600 of these.
This spacecraft was powered by sunlight and reached Jupiter in 2016.
This bus-sized space telescope was launched in 1990 and is still working!