Astronomical Phenomenon

3. In solar eclipse, moon:___
7. apparent motion of planets against the background of fixed stars
8. they observed the astronomical phenomena;planetary motion
12. these were well documented by ancient astronomers
13. patterns of stars
15. the Earth casting a shadow on the moon
16. appearance of comets
17. multiple meteors appear to radiate from a specific point in the sky
19. the faint, triangular glow of sunlight scattered by interplanetary dust along the plane of the solar system
20. studies astronomy

1. appearance of a new, bright star in the sky
2. stars that distinguished from the fixed stars
4. known for having their distinctive tails
5. the supernovae phenomena were sometimes recorded as ___
6. In lunar eclipse, moon:___
9. before the invention of telescopes, astronomers relied on ___ observations to study the night sky
10. occurrence of the moon passing in front of the Sun
11. the changing positions of the Sun throughout the year and the resulting seasons were observed
14. also called as bright star
18. was developed by ancient culture based on celestial events, marking solstices and equinoxes