Y9 Astronomy Crossword - Science



Y10 Astronomy Crossword

Across

3. The name of the first artificial satellite. This project was carried out by the Russians in 1957.

6. Lunar eclipses only occur at this phase of the Moon.

8. The season in which day length is getting longer.

10. When less of the Moon’s illuminated surface is becoming visible.

11. When the shadow of the Moon passes across the surface of the Earth (2 words).

14. Solar eclipses only occur at this phase of the Moon.

15. A type of eclipse in which the Sun or Moon is completely obscured.

16. The season in which day length is getting shorter.

18. The largest planet in our solar system.

20. The term for the brightness of a star.

21. The phase of the Moon in which more than half of the Moon’s illuminated surface is visible.

22. The Latin word meaning shadow.

23. The space mission that carried 3 astronauts to the Moon in 1969.

26. The object that is formed from the supernova of a very large star (2 words).

28. The phenomenon in which the interaction between the solar wind and the Earth’s magnetic field causes

atoms in the atmosphere to glow.

31. Stars appear to do this as the light from them passes through our atmosphere.

34. Cold stars are ______ in colour.

35. The planet that is most similar to Earth in size.

37. A terrestrial dwarf planet that orbits the Sun between Mars and Jupiter.

38. The dwarf planet that used to be categorised as a planet.

39. The radius around a black hole where the escape velocity is the speed of light (2 words).

40. The planet with an axial tilt of 98°.

43. A chance alignment of stars that appears to have a certain shape.

44. The season in which a hemisphere is tilted away from the Sun.

47. The heaviest element that is formed in stars.

48. The speed an object has to go to escape the gravitational pull of a plant or other object (2 words).

50. A cloud of dust and gas that stars are formed from.

51. When night and day are of equal length.

Down

1. The day with the shortest hours of daylight (2 words).

2. The brightest star in the Earth’s sky (other than the Sun).

3. A planet that is famous for its rings.

4. The object that is formed from the supernova of a large star (2 words).

5. The season in which a hemisphere is tilted towards the Sun.

7. To orbit around another object or point.

9. Hydrogen is converted into this element in the nuclear reaction occurring in

young stars.

12. An area of partial shadow.

13. A word meaning half a sphere.

16. The imaginary line about which something rotates.

17. The phase of the Moon in which half of the Moon’s illuminated surface is visible.

19. To spin on an axis.

24. When the shadow of the Earth passes across the surface of the Moon (2 words).

25. The precursor to a star, which is formed when matter in a nebula starts to come together.

26. Hot stars are ______ in colour.

27. The result when a large star collapses.

29. The type of reaction that occurs within a star (2 words).

30. The day with the longest hours of daylight (2 words).

32. When more of the Moon’s illuminated surface is becoming visible.

33. The planet in our solar system that is most distant from the sun.

36. Bright stars have a ______ magnitude.

37. The outer layer of the Sun. This may be observed during a total solar eclipse.

41. The type of star that forms when a star starts to run out of fuel and expands (2 words).

42. Dim stars have a ______ magnitude.

43. The phase of the Moon in which less than half of the Moon’s illuminated surface is visible.

45. The planet that is closest to the Sun.

46. A type of eclipse in which the Sun or Moon is only partly obscured.

49. The planet that is named after a god of war.

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