Answers to 2020 quiz
1 Pluto
2 Mercury
3 Northern Lights
4 Milky Way
5 Bootes
6 Ceres
7 Orion.
8 Taurus
9 Asteroid
10 Microwave Background
11 Shooting Star
12 Trapezium.
13 Great Red Spot
14 Mars
15 Plato
16 Hubble Space Telescope
17 Io.
18 Spacetime
19 Eclipse
20 Uranus
21 Venus
22 Herschel
23 Saturn
24 Aquila.