By Sreejith Vidhyadharan Nair,Sai Susmitha Guddanti,Preeti Nair,Marcos Fernandez Tous
Publication Date: 2025-12-07 16:00:00
This article was originally published at The conversation. The publication contributed the article to Space.com Expert Voices: Op-Ed & Insights.
Every year companies and space agencies Shoot hundreds of rockets into space – and that number will increase dramatically with ambitious missions to the Moon, Mars and beyond. But those dreams depend on a crucial challenge: propulsion—the methods used to propel rockets and spacecraft.

