NASA Wants More Small, Cheap Space Trips

NASA’s budget for science is about the same as it was two decades ago, even after a government push to cut spending. The agency’s new administrator focuses on human missions to the Moon and plans to replace a planned lunar space station with a surface base. He also wants a nuclear‑powered probe for Mars in 2028, but his comments on ordinary science missions are sparse. One idea gaining traction is to buy many inexpensive satellites instead of building one huge, custom craft. A “mass‑produced” bus could carry a few instruments and launch many times, speeding up science. Current NASA probes are usually built by large contractors or universities, and they cost billions and take a decade to develop. Off‑the‑shelf platforms could cut both time and money. Small CubeSats work well near Earth, but they are too weak for deep‑space missions. NASA is looking at commercial companies that make larger, high‑power satellites for the Moon and Mars. Companies such as Blue Origin, SpaceX, and Rocket Lab already offer platforms that could carry multiple payloads. Using a single “all‑in‑one” spacecraft to deploy several small probes could help NASA reach distant asteroids and planets cheaply.

Launch costs are lower now, especially on rideshare missions where several satellites share a rocket. However, most deep‑space probes need dedicated rockets to reach their destinations, and those rides cost tens of millions. If NASA could use a small, inexpensive bus on a shared launch, the total expense would drop dramatically. NASA also selects missions through competitions. Most successful projects come from proposals that match the agency’s funding and schedule limits. The Discovery program, with budgets around $500 million, has launched 11 missions in the past 15 years but only three since 2011. The New Frontiers program, at about $1 billion per mission, has launched three projects in the last decade and is now awaiting a fourth. A slower pace means fewer missions overall. To keep science moving, NASA wants to reduce operating costs on long‑running probes and explore artificial intelligence for mission control. By focusing on smaller, faster missions and leveraging commercial hardware, the agency hopes to launch more spacecraft in the coming decade.

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