How can I buy celestia?

How can I possibly purchase Celestia? I'm interested in this cryptocurrency and I'm eager to know the steps I need to take. Do I need to register on a specific exchange? Are there any prerequisites or requirements that I should fulfill? Additionally, what payment methods are accepted for purchasing Celestia? Is it secure and reliable to buy it online? Also, could you provide any insights on the current market trends of Celestia and its potential for growth? I'm quite new to this and would appreciate your guidance.