1. A Starry Night in Brazil
2. Before Sunrise
3. Night of a Thousand Stars
4. Chasing Carina
5. Namibian Nights
6. Pale Dawn, Dark Sunset
7. Take My Hand
8. Burning Dawn
9. A Manhattan Sunset
10. Dark Apollo
11. When Diamonds Aren’t Forever
12. Venus Unveiled
13. Moon Over Shiraz
14. Bright Lights, Dark City
15. A String of Pearls
16. Beyond the Moon
17. Just Passing Through
18. A Visit from Atlantis
19. Russian Winter Nights
20. Cosmic Rendezvous

 

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Answers:

NASA Astronomy Picture of the Day caption: 1, 4, 5, 9, 11, 12, 13, 14, 15, 17, 18
Harlequin Novel: 2, 3, 6, 8, 10, 16, 19, 20
Both: 7