With SpaceX set to go public soon and countries investing heavily in space as a national security priority, the space industry is reaching an inflection point. According to McKinsey estimates, the space economy could grow to $1.8 trillion by 2035.
Beyond SpaceX, two pure-play space stocks investors are watching are AST SpaceMobile (NASDAQ: ASTS) and Planet Labs (NYSE: PL). Both companies operate in different verticals of the space economy and are appealing stocks for investors looking to capitalize on this growth, but one stands out as a better buy today.
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AST SpaceMobile is building a cellular broadband network accessible by standard, unmodified smartphones, using its massive array of satellites as terrestrial space towers. It partners with Mobile Network Operators, including AT&T, Verizon Communications, and Vodafone, and shares revenue with the carriers that offer space-based add-on plans for subscribers. On top of that, the company generates revenue through government contracts for tactical communications.
With over 200 satellites, Planet Labs operates the world’s largest fleet of Earth-imaging satellites, capturing high-resolution imagery of the planet every day. The company serves customers in the government sector, including defense and intelligence, the agricultural sector for crop health monitoring, and organizations involved in disaster response. Its daily imaging creates a historical archive of the Earth, which it plans to enhance with analytics and artificial intelligence.
Both companies are in the early stages of commercialization. AST SpaceMobile is deploying its BlueBird satellites and has launched six to date, with a seventh scheduled for launch in April. The company has an aggressive 2026 goal to launch between 45 and 60 satellites into orbit, required to provide continuous commercial service in its initial target markets in the U.S., Japan, and Europe.
It is still in its capital-intensive buildout phase. In February, AST raised $3.9 billion, including $1 billion in convertible senior notes and direct stock offerings. This gives it liquidity to launch its satellites, but it dilutes shareholders in the process. Also in February, it was awarded a $30 million prime contract by the U.S. Space Development Agency for the HALO Europa program to provide direct-to-device tactical satellite communications.

