1.Richard Powers, The City and the Stars, 1957

http://www.isfdb.org/cgi-bin/ea.cgi?1811

2. Chris Foss

https://www.chrisfossart.com/

3. Kevin Eugene Johnson for Nightchild, by Scott Baker.

http://art.ofearna.us/johnson.html

4. Christopher Balaskas

https://www.artstation.com/balaskas

5. Richard Hescox - Cover art for Shadow's Realm: The Bifrost Guardians Book 4 by Mickey Zucker Reichert

http://www.richardhescox.com/

6. "Fantasy worlds" by Stephan Martiniere

https://www.martiniere.com/

7. Garage Whale Team - 豆娘, Sazen Lee

https://www.pinterest.com/pin/332351647501329281/

8. Simon Stålenhag

https://www.simonstalenhag.se/

9. Amazing Stories, April 1932. Cover, by Leo Morey, illustrates the short story "The Lost Machine," by John Wyndham (author of The Day Of The Triffids), writing under the pen name John Beynon Harris.

https://www.pulpartists.com/Morey.html

10. Dariusz Zawadzki (Polish, b. 1958) "Sanctuarium" / 2013.

https://morpheusgallery.com/Dariusz+Zawadzki

11. Kazumasa Uchio

https://www.pinterest.com/pin/478155685410356576/

12. Cover art for The Inheritors/Gateway to Never, by Paul Alexander. Novel by A. Bertram Chandler, 1978.

https://www.comicartfans.com/comic-artists/paul_alexander.asp

13. Night Hunter by Tremess

https://www.deviantart.com/tremess/art/Rise-Of-Eldar-154203550

14. Moebius

https://www.iamag.co/the-art-of-moebius/

15. The work of René Brantonne (1903-1979)

https://data.bnf.fr/fr/11893797/rene-louis_brantonne/

16. Michal Lisowski "Nowhere Express"

https://www.artstation.com/lisu

17. Frank Paul cover for Lion Annual, 1957

http://www.frankwu.com/paul1.html

18. John Berkey (American, 1932 - 2008)

http://johnberkey.com/

19. Alex Schomburg

http://www.alexschomburg.com/

20. John Harris, 1979

https://www.amazon.com/Art-John-Harris-Beyond-Horizon/dp/1781168423

21. Ed Valigursky - City, 1967.

https://www.pulpartists.com/Valigursky.html

22. Robert McCall, 1977.

https://www.mccallstudios.com/

23. Peter Stults's hypothetical Interstellar

https://www.behance.net/PeterStults

24. Seven to the Moon, by Stanton, Lee (pseudonym for British author Richard Conroy). 1951. Cover art by George Ratcliffe.

https://www.amazon.co.uk/s?i=stripbooks&rh=p_27%3AGeorge+Ratcliffe+Cover+Art&s=relevancerank&text=George+Ratcliffe+Cover+Art&ref=dp_byline_sr_book_2

25. Flem, by Michael Manomivibul

https://www.mikemanoart.com/

26. Flying on a Rocket (1963) by V.Gortinsky

https://retrofuturenaut.tumblr.com/post/68286677196/as-we-were-flying-on-a-rocket-artist-v

27. Bob Eggleton

http://www.bobeggleton.com/

28. Bruce Pennington

http://www.brucepennington.co.uk/

29. Peter Andrew Jones

http://www.peterandrewjones.net/

30. Jacek Yerka, Polish (1952- ), Z głębin (From the Depths), 1995, acrylic

http://www.yerkaland.com/language/en/