Generate a sentence that answers this question: "A way that scientists determined whether previously known planets truly are still such is based on whether".

Answer: pluto has not cleared its orbit

Generate a sentence that answers this question: "You can etch the surface of a windshield with".

Answer: quartz scratches glass easily

Generate a sentence that answers this question: "Galileo dismissed what as a mere star?".

Answer:
Galileo Galilei made improvements to the telescope to make better observations of celestial bodies