Name: ________________________________________ Astro: ______ Date: ______________
History of Astronomy Online Scavenger Hunt
Directions: Using the internet, search for the person and date for each discovery.
1. I was the first person to use a telescope to look at the heavens.
Who am I? Galileo
2. We discovered the relationship between a star’s temperature and it’s brightness.
Who are we? Ejnar Hertzsprung and Henry Norris Russell
3. I was the first person to fly in space. Who am I? Yuri Gagarin
4. I was a female British astronomer who helped discover pulsars.
Who am I? Jocelyn Bell Burnell
5. I was the first person to walk on the moon. Who am I? Neil Armstrong
6. I developed the big bang theory. Who am I? Georges Lemaitre
7. I was the first person to accurately estimate the size of the Earth.
Who am I? Eratosthenes
8. I was the first person to propose that the planets go around the sun.
Who am I? Aristarchus
9. I rediscovered the heliocentric model of the solar system in the middle ages.
Who am I? Nicolas Copernicus
10. I discovered four moons of Saturn. Who am I? Giovanni Cassini
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? Caroline Herschel
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? Tycho Brahe
13. I discovered the planet Uranus using a self built reflecting telescope.
Who am I? William Herschel
14. I developed the theory of gravity and explained how gravity keeps planets in orbit
around the sun. Who am I? Isaac Newton
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? Edmund Halley
16. I was able to calculate the relative sizes and distances of Earth, Moon and Sun.
Who am I? Aristarchus
17. I am the president who launched the Apollo lunar exploration program.
Who am I? John F. Kennedy
18. We discovered Neptune together.
Who are we? Johann Gottfried Galle and Louis d’Arrest
19. I developed theories of relativity that explain the evolution of the expanding
Universe. Who am I? Albert Einstein
20. I named stars by assigning them to constellations and giving them Greek letters.
Who am I? Johann Bayer
21. I studied planetary motion and published Almagest.
Who am I? Ptolemy
22. I discovered the first active galaxy.
Who am I? Carl Seyfert
23. I study physics and predicted that black holes emit radiation.
Who am I? Stephen Hawking
24. I developed the laws of planetary motion and realized the orbits were elliptical.
Who am I? Johannes Kepler
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? Edwin Hubble
26. I made and launched the world’s first liquid fueled rocket.
Who am I? Robert Goddard
27. I was the first American in space.
Who am I? Alan Shepard
27. 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? Gerald Kuiper