The Daily Broadcast: Corrosion, Crew Assignments, and Cosmic Clouds: An Eventful Week in Space

The Daily Broadcast: Corrosion, Crew Assignments, and Cosmic Clouds: An Eventful Week in Space

Canadian Astronaut Josh Kutryk Heads to ISS Aboard SpaceX This Fall

Canadian astronaut Josh Kutryk will finally launch to the International Space Station (ISS) no earlier than September 2026 as part of NASA’s SpaceX Crew-13 mission. The Canadian Space Agency (CSA) confirmed the long-anticipated reassignment on April 23, ending years of uncertainty tied to Boeing’s delayed Starliner-1. Kutryk, a Royal Canadian Air Force colonel and test pilot from Fort Saskatchewan, Alberta, had originally been slated for Starliner’s first operational flight—but with that mission still grounded, Canadian officials opted to secure his seat on a proven vehicle.

Speaking with SpaceQ, Kutryk emphasized that his mission reflects Canada’s enduring contributions to human spaceflight, notably through the Canadarm2, Dextre, and the Mobile Servicing System. Those robotics systems underpin Canada’s 2.3% share in the ISS partnership, which typically grants a Canadian astronaut a flight roughly every six years. It’s been nearly eight years since David Saint-Jacques last represented Canada in orbit, making this long-overdue.

During his stay aboard the ISS—expected to span Expeditions 75 and 76—Kutryk will conduct up to eight Canadian experiments, including CARDIOBREATH and the Vascular series, both examining how microgravity affects cardiovascular health. He’ll also continue outreach with organizations like Le Grand défi Pierre Lavoie and La Tablée des Chefs. Notably, Kutryk will become the first Canadian to fly on a commercial crew vehicle and could share the skies with fellow CSA astronaut Jeremy Hansen, who completed the Artemis II lunar flyby just weeks ago.

Joshua Kutryk during Artemis II backup duties

Lunar Gateway Paused—Partly Due to Corrosion in Key Modules

NASA’s Lunar Gateway, once envisioned as humanity’s orbital outpost around the Moon, appears to be shelved—at least for now. During U.S. Congressional testimony on April 24, NASA Administrator Jared Isaacman confirmed that both primary habitable modules, HALO (built by Northrop Grumman) and I-HAB (from Thales Alenia Space), suffered from significant corrosion. “The only two habitable volumes that were delivered—both were corroded,” Isaacman stated, adding that repairs could push any potential use beyond 2030.

The corrosion appears linked to a “manufacturing irregularity” during the forging and surface treatment processes, according to the European Space Agency (ESA), which oversees Europe’s Gateway contributions. Northrop Grumman acknowledged the issue and said repairs on HALO are expected to wrap up by the end of Q3 2026. ESA noted I-HAB is in better condition and technically salvageable, though its future remains uncertain as international partners reassess Moon ambitions.

This revelation follows NASA’s earlier decision to “pause” Gateway development to prioritize surface operations under the Artemis programme. With China advancing its own lunar station plans, U.S. officials are refocusing on boots-on-the-ground missions rather than orbital infrastructure. Even commercial station builder Axiom Space admitted to similar corrosion in its first module, though it remains on track for a 2028 launch.

Lunar Gateway modules undergoing testing

Hubble Celebrates 36 Years with a Stellar Portrait of the Trifid Nebula

While political and engineering challenges loom over future Moon missions, NASA’s Hubble Space Telescope continues to dazzle from its perch in low Earth orbit. On April 20, 2026—marking the 36th anniversary of its historic 1990 launch—Hubble released a breathtaking close-up of the Trifid Nebula, located some 5,000 light-years away in the constellation Sagittarius.

The image, captured in visible light, reveals delicate structures of gas and dust sculpted by massive stars just outside the frame. Their stellar winds have blown an enormous bubble over the past 300,000 years, compressing surrounding material and sparking new waves of star formation. The resulting colours and textures evoke an underwater seascape, a poetic reminder of how cosmic forces shape the universe.

Though newer observatories like the James Webb Space Telescope now dominate infrared astronomy, Hubble remains indispensable for visible and ultraviolet observations. Its longevity—thanks to five servicing missions by Space Shuttle astronauts, including Canadian Chris Hadfield in 2009—stands as a testament to international cooperation and engineering resilience. As agencies pivot toward the Moon and Mars, Hubble quietly continues its legacy: offering clarity, beauty, and scientific insight from the quiet of space.

Hubble image of the Trifid Nebula

Citations

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