Jet-Powered Comet // Artemis 2 Launched // NO-Dark-Matter Galaxy

Fraser Cain (Universe Today)
Fraser Cain (Universe Today)Apr 3, 2026

Why It Matters

Artemis 2 re‑establishes crewed lunar capability, while breakthroughs in comet physics, dark‑matter‑free galaxies, and portable antimatter expand the scientific and engineering foundations needed for future deep‑space exploration and commercial ventures.

Key Takeaways

  • Artemis 2 launched, marking first crewed lunar flyby since Apollo
  • NASA plans moon‑hopping “Moonfall” drones for high‑resolution terrain mapping
  • Comet 41P’s spin reversal observed, confirming jet‑driven torque theory
  • Dark‑matter‑free galaxies challenge Modified Newtonian Dynamics theoretical alternatives
  • CERN demonstrated portable antimatter transport, advancing future propulsion concepts

Summary

The video covers a roundup of this week’s biggest space headlines, headlined by the launch of NASA’s Artemis 2 mission, a crewed Orion flight that will perform a lunar flyby and return to Earth in about ten days.

Artemis 2 lifted off from Kennedy Space Center’s Launch Pad 39B at 6:35 a.m. EDT with astronauts Reed Wiseman, Victor Glover, Christina Koch and Canadian Jeremy Hansen. After a successful orbit‑raising maneuver and a brief toilet‑system glitch, the crew executed a 49‑second trans‑lunar injection burn, putting the spacecraft on a three‑day trajectory toward the Moon. NASA also unveiled its “Moonfall” autonomous hopper drones, designed to hop up to 50 km across the lunar surface, delivering high‑resolution imagery of permanently shadowed craters.

In other news, Hubble observations showed comet 41P/Tuttle’s rotation slowing, stopping, then reversing due to asymmetric outgassing jets—a real‑time confirmation of a long‑standing comet‑spin theory. Astronomers also reported galaxies such as NGC 1052‑DF2 and a new string of ultra‑diffuse dwarfs that appear to contain little or no dark matter, posing a challenge to Modified Newtonian Dynamics and bolstering particle‑dark‑matter models. At CERN, researchers moved a magnetically trapped antimatter sample in a truck, proving that antimatter can be transported safely for future experiments and potential propulsion concepts.

Together, these developments signal accelerating progress toward sustained lunar operations, deeper insight into fundamental physics, and the technological groundwork for ambitious missions—from asteroid mining to interstellar travel—by demonstrating new robotic platforms, refined comet dynamics, and portable antimatter handling.

Original Description

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Artemis II lifts off for the moon. A comet slows down and reverses its rotation. Galaxies found without dark matter. Anti-matter goes for a ride. And in Space Bites Plus, how humanity is slowing down the rotation of the Earth.
00:00 Intro
00:17 Artemis 2 Launched
02:40 Moonfall Drones
04:33 Never Seen Before Comet Behaviour
06:35 Another Galaxy with NO Dark Matter
10:13 AI Helped Finding Hundreds of Exoplanets
12:12 Transporting Antimatter
15:04 Vote results
15:53 Robotic Refueling
17:20 Plants for Mars
19:07 Celebrating Spring
20:11 More space news
21:32 Interviews
Host: Fraser Cain
Producer: Anton Pozdnyakov
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
You are free to use my work for any purpose you like, just mention me as the source and link back to this video.

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