Question

9/24/24 2:25 pm studying space vocab - crossword labs
studying space vocab
across

1. large collection of dust, stars and gas.
2. \below the red\ longer wave than red light on spectrum
3. point closest to the sun
4. movement of the earth around the sun
5. uses a curved mirror to gather & focus light
6. spectrum showing frequencies/wavelengths of radiation
7. equal hours of daylight and darkness
8. instrument that collects electromagnetic radiation for better observation
9. shortest wave length
10. point where the sun is as far north or south as possible

down

1. spin of the earth on its axis
2. point farthest from the sun
3. uses a set of lenses to gather & focus light
4. \beyond the violet\ shorter wave than violet on spectrum
5. study of the universe
6. group of stars organized into a recognizable pattern
7. system for measuring long intervals of time
8. light that humans can see
9. average distance between earth and sun (abbreviation)

Explanation:

1. Across 2: A galaxy is a large collection of dust, stars and gas.
2. Across 3: Infra - red has a longer wavelength than red light on the spectrum.
3. Across 5: The perihelion is the point closest to the sun.
4. Across 7: Revolution is the movement of the earth around the sun.
5. Across 10: A reflecting telescope uses a curved mirror to gather & focus light.
6. Across 12: A spectrum showing frequencies/wavelengths of radiation is an electromagnetic spectrum.
7. Across 15: An equinox has equal hours of daylight and darkness.
8. Across 16: A telescope is an instrument that collects electromagnetic radiation for better observation.
9. Across 17: Gamma rays have the shortest wavelength.
10. Across 19: A solstice is the point where the sun is as far north or south as possible.
11. Down 1: Rotation is the spin of the earth on its axis.
12. Down 4: The aphelion is the point farthest from the sun.
13. Down 6: A refracting telescope uses a set of lenses to gather & focus light.
14. Down 8: Ultra - violet has a shorter wavelength than violet on the spectrum.
15. Down 9: Astronomy is the study of the universe.
16. Down 11: A constellation is a group of stars organized into a recognizable pattern.
17. Down 13: Geologic time scale is a system for measuring long intervals of time.
18. Down 14: Visible light is the light that humans can see.
19. Down 18: The average distance between Earth and sun is an Astronomical Unit (AU).

Answer:

Across:

1. Galaxy
2. Infrared
3. Perihelion
4. Revolution
5. Reflecting telescope
6. Electromagnetic spectrum
7. Equinox
8. Telescope
9. Gamma rays
10. Solstice

Down:

1. Rotation
2. Aphelion
3. Refracting telescope
4. Ultraviolet
5. Astronomy
6. Constellation
7. Geologic time scale
8. Visible light
9. AU