Blue and White Milky Way. (2019). [Image]. Retrieved from https://www.pexels.com/photo/blue-and-white-milky-way-3214110/.
Esibatir, M. (2020). Woman Wearing Space Suit [Image]. Retrieved from https://www.pexels.com/photo/woman-wearing-space-suit-4355348/.
Fisk, T. (2019). Heavy Equipment Loading Cement [Video]. Retrieved from https://www.pexels.com/video/heavy-equipment-loading-cement-2073130/.
Kiev, M. (2021). two astronauts on the surface of Mars [Image]. Retrieved from https://unsplash.com/photos/Opzk_hvwO9Q.
Kosolapova, J. (2019). mars like places on earth [Image]. Retrieved from https://unsplash.com/photos/pZ-XFIrJMtE.
Messina, L. (2020). People Standing and Sitting Inside Building [Image]. Retrieved from https://www.pexels.com/photo/food-light-city-restaurant-6185937/.
Mittermeier, F. (2017). Silhouette of Person Under Blue and Purple Sky [Image]. Retrieved from https://www.pexels.com/photo/silhouette-of-person-under-blue-and-purple-sky-957040/.
Nilov, M. (2021). Woman in Spacesuit Touching The Control Panel Of The Spacecraft [Image]. Retrieved from https://www.pexels.com/photo/woman-in-spacesuit-touching-the-control-panel-of-the-spacecraft-7660824/.
Novacek, J. (2018). Time Lapse Photo of Stars on Night [Image]. Retrieved from https://www.pexels.com/photo/time-lapse-photo-of-stars-on-night-924824/.
Photography of Night Sky. (2017). [Image]. Retrieved from https://www.pexels.com/photo/photography-of-night-sky-733475/.
Pixabay. (2015). Time Lapse Photography of Taking-off Rocket [Image]. Retrieved from https://www.pexels.com/photo/flight-sky-earth-space-2166/.
Pixabay. (2015). White Rocket [Image]. Retrieved from https://www.pexels.com/photo/flight-sky-earth-space-2159/.
Pressmaster. (2019). Heavenly Bodies in Still Motion Video [Video]. Retrieved from https://www.pexels.com/video/heavenly-bodies-in-still-motion-video-3141209/.
Truettner, W. (2018). Trona Pinnacles, United States [Image]. Retrieved from https://unsplash.com/photos/YAnOTaxbuaM.