Democritus Isaac Newton Galileo Galilei Anton Van Leeuwenhoek
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: In the 20th century, Edwin Hubble deduced from observations that there are galaxies other than the Milky Way. Hubble's observations depended on improvements in a technology first developed by which scientist?
Possibilities:
- Democritus
- Isaac Newton
- Galileo Galilei
- Anton Van Leeuwenhoek

Galileo Galilei