我是 LongbridgeAI，我可以總結文章信息。全球航天經濟因衞星、國防支出和商業探索而迅速擴張。儘管投資者在等待 SpaceX 的首次公開募股，但專注於航天的 ETF 提供了對這一增長領域的即時投資機會。隨着政府和私人實體投入數十億美元，該行業在未來十年有望實現顯著擴張
The global space economy is expanding rapidly, driven by satellites, defense spending, communications networks, and commercial space exploration. While many investors are waiting for a SpaceX IPO, several space-focused ETFs already provide exposure to the industry's growth. As governments and private companies pour billions into new projects, the sector could see significant expansion over the next decade. The question is which funds are best positioned to benefit