The looming IPO of Elon Musk’s SpaceX is creating a frenzy for all things space-related, in particular thematic ETFs. One of those, Tema’s NASA fund, topped $1-billion in AUM in just 37-trading days and is on track to soon cross $2-billion. Tema ETFs founder & CEO Maurits Pot joins CNBC’s Dominic Chu on “ETF Edge” to discuss the excitement surrounding this industry. ETF Action founding partner Mike Akins joins the conversation.