Hello,

You can consider opting for the following universities with its respective courses abroad at undergraduate level-

• University of Kent, UK; BSc Hons Astronomy, Space Science and Astrophysics
• University of Leicester, UK; BSc Hons Physics with Space Science
• University College Dublin, Ireland    BSc (Hons) in Physics with Astronomy and Space Science
• University of Bath, UK; Electronic Engineering with Space Science Technology BEng (Hons)
• Temple University, USA; Bachelor of Science in Earth and Space Science with Teaching
• RMIT University, Australia; Bachelor of Space Science
• Embry- Riddle Aeronautical University, USA; Bachelor of Science in Space Physics

You can visit the official website of the concerned universities for more details pertaining to admission process, eligibility criteria, etc, each country has its own set of rules, for aggregate, language proficiency tests, or any other requirements, you should be ready with finances as study abroad is quite expensive, I have just provided you a general overview of ug courses you can follow up these by master's in the relevant discipline also.