UnScramble this Word: e i w h l?

Questions

Astronomy From 1979 until 2000 the most distant planet from the earth was ?

Astronomy How many planets are there in our solar system?

Astronomy If you're in the northern hemisphere, Polaris, the North Star, can be found by looking which direction?

Astronomy Name the largest planet in the solar system.?

Astronomy Name the second-largest planet in the solar system.?