✅ Correct Answer: Galileo
Source: This question is taken from the Everyday Science
✅ Correct Answer: Helium
✅ Correct Answer: Uranus
✅ Correct Answer: 2019 LD2
✅ Correct Answer: Herschel
✅ Correct Answer: 1953
✅ Correct Answer: Copernicus
✅ Correct Answer: Interstitium
✅ Correct Answer: Jonas Salk
✅ Correct Answer: Seed coat, Testa