Vocabulary Quiz - VocabForce

1. bulge

mass range where exoplanets are rare

magnetic arc of plasma in the solar corona

central dense region of a spiral galaxy

compact star group at galaxy center

2. descending node

point where orbit crosses celestial plane heading south

rotation speed leading to shape deformation or breakup

stars moving together through space

orbit beyond Neptune

3. celestial sphere

graph plotting stars' brightness vs. temperature

theoretical framework of star development

time based on Sun's position

imaginary sphere with stars fixed on its inside

4. orbital elements

stars moving together through space

parameters defining an orbit

orbit following Kepler's laws, elliptical shape

large planet like Jupiter or Saturn

5. total solar eclipse

Moon blocks Sun completely

free-floating planet not orbiting a star

path of celestial body around another in ellipse

Earth's natural satellite

6. outer space

centered on the Sun

recognizable pattern of stars within a constellation

region beyond Earth's atmosphere

free-floating planet not orbiting a star

7. partial solar eclipse

intense burst of solar radiation

great circle passing through celestial poles and a point

part of Sun obscured

expanse of space visible from Earth's surface

8. stellar designation

official naming of stars

intense, brief emission of gamma rays from space

oscillation of celestial bodies like the Moon

radius of a celestial object as seen from Earth

9. magnitude

cool, less luminous star, often red

bright area on the Sun's surface

measure of size or brightness

table listing astronomical object positions over time

10. spiral galaxy

galaxy with spiral arms structure

edge of a celestial body's disk

moon cycle with predictable phases

path of celestial object around a star

11. stellar remnant

graph representing orbital motion

planets beyond Earth's orbit

star with features of different types

leftover core after a star's death

12. meteor shower

Earth's orbit period relative to stars

frequent meteors from same source

compact star group at galaxy center

gas cloud with molecules, star-forming

13. pseudo-synchronous rotation

long-term gradual change

rotation aligning with orbital period

elusive subatomic particle

star with changing brightness

14. Zone of Avoidance

galactic plane obscured region

stars in a galaxy's extended disk

Sun's visible surface layer

stream of charged particles from Sun

15. galactic anticenter

temperature of a blackbody emitting the same radiation.

bright area on the Sun's surface

direction opposite the Galactic Center

rotation aligning with orbital period

16. plane of reference

period between recurring celestial configurations

centered on the Sun

closest point of planet to Sun

standard plane for measurements

17. mean-motion resonance

system of two stars orbiting a common center

Sun's magnetic field extending into space

orbital periods in simple ratio

main celestial body in a system

18. parallax

study of cosmic dust and its effects

compact star group at galaxy center

apparent shift of nearby objects

intense burst of solar radiation

19. Sun

stars moving together through space

closest star at galaxy's center of our solar system

minimum mass for hydrogen fusion in star

central dense region of a spiral galaxy

20. isochrone

motion of two gravitational bodies

curve representing stars of same age

distant astronomical objects beyond solar system

orbital parameter for small bodies

Vocabulary Quiz:

1. bulge

2. descending node

3. celestial sphere

4. orbital elements

5. total solar eclipse

6. outer space

7. partial solar eclipse

8. stellar designation

9. magnitude

10. spiral galaxy

11. stellar remnant

12. meteor shower

13. pseudo-synchronous rotation

14. Zone of Avoidance

15. galactic anticenter

16. plane of reference

17. mean-motion resonance

18. parallax

19. Sun

20. isochrone

Select vocabulary category you want to browse:

Vocabulary Quiz:

1. bulge

2. descending node

3. celestial sphere

4. orbital elements

5. total solar eclipse

6. outer space

7. partial solar eclipse

8. stellar designation

9. magnitude

10. spiral galaxy

11. stellar remnant

12. meteor shower

13. pseudo-synchronous rotation

14. Zone of Avoidance

15. galactic anticenter

16. plane of reference

17. mean-motion resonance

18. parallax

19. Sun

20. isochrone

Select vocabulary category you want to browse:

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