History of Astronomy Online Scavenger Hunt

Directions: Using the internet, search for the personand datefor each discovery.Document the website you found the information on!!

1. I was the first person to use a telescope to look at the heavens.

Who am I? ______

2. We discovered the relationship between a star’s temperature and it’s brightness.

Who are we? ______

3. I was the first person to fly in space.Who am I? ______

4. I was a female British astronomer who helped discover pulsars.

Who am I? ______

5. I was the first person to walk on the moon.Who am I? ______

6. I developed the big bang theory.Who am I?______

7. I was the first person to accurately estimate the size of the Earth.

Who am I?______

8. I was the first person topropose that the planets go around the sun.

Who am I? ______

9. I rediscovered the heliocentric model of the solar system in the middle ages.

Who am I? ______

10. I discovered four moons of Saturn.Who am I? ______

11. I worked very closely with my brother and discovered 8 comets and developed a catalog of the nebulae and clusters that we both identified.

Who am I? ______

12. I am regarded as the greatest observer of the pre-telescopic era. I made precise measurements of the solar system and over 600 stars.

Who am I?______

13. I discovered the planet Uranus using a self built reflecting telescope.

Who am I? ______

14. I developed the theory of gravity and explained how gravity keeps planets in orbit around the sun. Who am I? ______

15. I proved some comets were period when I predicted the return of a comet in 76 yrs, which was eventually named after me.

Who am I? ______

16. I was able to calculate the relative sizes and distances of Earth, Moon and Sun.

Who am I? ______

17. I am the president who launched the Apollo lunar exploration program.

Who am I? ______

18. We discovered Neptune together.

Who are we? ______

19. I developed theories of relativity that explain the evolution of the expanding Universe. Who am I?______

20. I named stars by assigning them to constellations and giving them Greek letters.Who am I? ______

21. I studied planetary motion and published Almagest.

Who am I? ______

22. I discovered the first active galaxy.

Who am I? ______

23. I study physics and predicted that black holes emit radiation.

Who am I? ______

24. I developed the laws of planetary motion and realized the orbits were elliptical.

Who am I? ______

25. I showed that other galaxies existed and observed that the universe is expanding because the other galaxies are all moving away from the Milky Way.

Who am I? ______

26. I made and launched the world’s first liquid fueled rocket.

Who am I? ______

27. I was the first American in space.

Who am I? ______

28. I proposed the existence of a disk-shaped region of minor planets outside the orbit of Neptune. It is now named after me. Who am I? ______