Space news: Project Hail Mary, Artemis, data centers

Summary of Space news: Project Hail Mary, Artemis, data centers

by NPR

11m•March 30, 2026
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Overview of Shortwave: Space news — Project Hail Mary, Artemis, data centers

This Shortwave episode (NPR) is a space-focused roundtable hosted by Regina Barber with guests Jeff Bromfield and Scott Detrow. They cover three newsy topics: the new film Project Hail Mary (based on Andy Weir’s novel), proposals to put AI/data centers in space (including Elon Musk/XAI ideas), and a status update on NASA’s Artemis II lunar mission. The tone is conversational, mixing pop-culture reactions with technical context and skepticism from aerospace experts.

Key takeaways

  • Project Hail Mary is a visually impressive, emotionally engaging movie adaptation of Andy Weir’s novel; hosts generally recommend seeing it and note a few scientific liberties.
  • The idea of moving large AI data centers to orbit is being promoted by Elon Musk/XAI but faces very significant engineering and energy challenges; smaller, distributed space computing is more plausible in the nearer term.
  • Artemis II (a crewed lunar flyby/orbit mission) had a hydrogen leak that delayed launch plans; the mission’s April 1 launch window was under close watch and the timing remains uncertain.

1) Project Hail Mary — film vs. book and science accuracy

  • Format & cast:

    • Film is based on Andy Weir’s Project Hail Mary; protagonist Ryland Grace is played by Ryan Gosling.
    • Hosts praised the jokes, visuals, and surprising use of puppetry for an alien character.

  • Plot (no spoilers):

    • Near-future premise: alien microbes are dimming the Sun (and other stars), threatening life on Earth; a mission to a nearby star aims to find a solution.
    • Themes include high-stakes science, isolation, and problem-solving à la The Martian.

  • Science notes:

    • The movie includes accurate nods to relativity (time dilation for near-light-speed travel).
    • Writers took biological/astrobiological liberties (e.g., water-based microbes on stars).
    • One factual caveat: some exoplanets referenced in the book/movie were later reclassified or found unlikely to exist after the book’s publication — an artifact of evolving observational data, not a storytelling error per se.

  • Recommendation split:

    • Hosts debated reading the book first vs. watching the film first; some recommend seeing the film without reading the book to preserve surprise.

2) Data centers and AI in space — plausibility and obstacles

  • What’s being proposed:

    • Elon Musk and XAI have discussed building chip fabs and large “colossus” computing facilities in space, arguing abundant solar power makes orbital AI/data centers attractive.

  • Main technical challenges:

    • Power scale: The International Space Station’s solar arrays produce ~100 kilowatts. Large terrestrial facilities (example cited: 150 megawatts) are orders of magnitude larger.
    • Scale estimate: MIT aerospace faculty (Olivier de Weck referenced) estimated you’d need solar arrays about 1,000× the ISS to match a major terrestrial data center’s power needs.
    • Heat rejection: Vacuum makes convective cooling impossible, so huge radiators (using fluids to shuttle waste heat to space) are required—often approaching the solar-array area in size.
    • Cost, launch logistics, maintenance, latency and data transfer infrastructure are additional practical hurdles.

  • Plausible near-term outcome:

    • Expect more onboard computing for satellites and distributed, small-scale space computing rather than kilometer-scale orbital data centers any time soon.
    • Giant orbital AI data centers are likely many years/decades away, despite bold timelines sometimes given by advocates.

3) Artemis II update

  • Mission purpose: A crewed lunar orbit (flyby) mission — the first humans to return to lunar orbit since the 1970s.
  • Status at the episode: Launch window opening April 1 (year unspecified in the transcript) but delayed due to a hydrogen leak on the rocket; timing remained uncertain and closely monitored.
  • Bottom line: Artemis II is still active but faces technical issues that may push the schedule.

Notable insights & quotes

  • “Space is a reminder that we are but a tiny little dot” — used to explain why space news often feels inspiring and calming.
  • Hosts emphasized that science advances quickly — e.g., exoplanet data changing between book writing and film release — so fiction can unintentionally age scientifically.

Action items / recommendations

  • If interested in Project Hail Mary: consider seeing the film (many hosts recommend watching before reading the book to preserve surprises), and expect strong visuals and some scientific license.
  • If following space-AI/data-center news: treat grand timelines skeptically; watch for incremental steps (more computing on satellites) rather than immediate megascale orbital data farms.
  • For Artemis followers: monitor NASA updates for revised launch timing and technical troubleshooting status.

Production notes

  • Hosts: Regina Barber (host), Jeff Bromfield (science correspondent), Scott Detrow (All Things Considered host).
  • Episode produced and edited by NPR Shortwave staff (producers and editors credited in the episode).