Space: Key Questions

These are the questions we have about Space:

Phyllis: How hot is the sun and how big is it?
Shavanah: How long does it take to get to Mars?
Shar: Is there water on Mars?
Chase: How was the black hole made?
Te Kawehau: What is the Milky Way made out of?
Euphrasia: How many galaxies are there?
Karnvir: How many moons are there?
Kimball: Which planet has the most moons?
Quinton: What is the name of the biggest star?
Ariana: Did people live on Mars millions of years ago?
Nikita: What is a comet?
Tyson: What is the biggest star?
Kingi: How was the galaxy formed?
Taylah: How close is the sun to the earth?
Brooklyn: How close is the moon to Earth?
Ben: What is the size of the biggest moon?
Marino: What is the biggest planet?
Jyris: What are meteors?
Joseph: Why do people explore Mars but not other planets?
Kaiya: How do you walk on the moon when there is zero gravity?
Susan: Which planet has the biggest moon?
Memory: Is Pluto a planet?