Which astronomer gave his name to a telescope launched into space in 1990?

More Questions:

What is the Christmas Carol "O Christmas Tree" known as in German?

From what language did English borrow the word "guitar"?

The Khyber pass joins whichtwo countries?

Cushat, Rock and Stock all types of which creature?

What word denotes the energy an object has because it is in motion?

What was the first animated feature nominated for a best picture Oscar?

In an episode of "South Park', a man in a panda suit was used to teach the public about what?

What did explorer Robert Peary attempt to reach in 1909?

On the day George Washington was first inaugurated as President of the United States, how many United States were there?

Which Apollo space mission put the first men on the moon?

What type of bear has a clear eyelid?

What number is represented by "D" in Roman numerals?

In mathematics, which prefix refers to 10 to the power of 18?

How old was novelist Harper Lee at the time of her death in February, 2016?

What two countries have square flags?