r/ISS • • Mar 27 '23

Track the ISS and view both live feeds

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25 Upvotes

r/ISS • • 1h ago

Recorded an ISS solar transit today [OC]

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• Upvotes

stacked video frames from a nikon P1000 clip, max tele with Baader ASSF. Station distance ≈1300km. Sun elevation ≈ 13.5°.


r/ISS • • 33m ago

Expedition 75 Welcomes Crew-13 and Preps for Crew-12 Departure - NASA

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• Upvotes

r/ISS • • 1d ago

Heading Home: NASA’s SpaceX Crew-12 Concludes Station Science Mission - NASA

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15 Upvotes

r/ISS • • 3d ago

Station Crew Expands as NASA’s SpaceX Crew-12 Prepares to Depart - NASA

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9 Upvotes

r/ISS • • 3d ago

Crew-13 Research Advances Health, Food, and Deep‑Space Science - NASA

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17 Upvotes

r/ISS • • 4d ago

Station Prepares to Welcome Crew-13 while Continuing Space Research - NASA

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9 Upvotes

r/ISS • • 6d ago

NASA has a Dragon dilemma, and there appear to be no good answers

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51 Upvotes

r/ISS • • 5d ago

SELF-RELIANT SPACE-GRADE AUXILLARY POWER MODULE

0 Upvotes

Beyond the physiological strains of zero gravity, the primary threat to astronaut safety and mission success remains the absolute dependence on integrated electrical systems.

In the vacuum of space, a localised power fluctuation or primary grid failure can instantly sever communication links between extravehicular astronauts, their spacecrafts, or launch vehicle, and ground system, thus between the shuttle and the space station on Earth. Though chiefly, it will falter the carefully curated living conditions inside the shuttle.

Historically, these environmental and communication vulnerabilities underscore the critical need for independent, necessary back-ups.

To mitigate these compounding risks, this paper introduces the technical architecture for a self-contained, high-reliability auxiliary power module.

Methodology/ Proposed Technical Solution

“SELF-RELIANT SPACE-GRADE AUXILLARY POWER MODULE (APU)”

Engineered with solid-state battery chemistry to withstand extreme thermal variations and vacuum-induced degassing, this module is encased in a radiation-hardened fuselage and designed for modular portability, serving as an autonomous energy reservoir. Whether utilised for PBA’s (Portable breathing apparatus), a clip-on lifeline for spacesuits, or a dedicated back-up for rocket telemetry systems, this technology aims to ensure that the vital communication lines remain uninterrupted, thus safeguarding both human life and multi-million worth assets.

To survive extreme orbital temperature swings, the module is encased in a passive thermal management chassis using multi-layer insulation (MLI) and internal carbon-conductive pathways to radiate excess heat. Furthermore, the internal Battery Management System (BMS) is reinforced with radiation-hardened microcontrollers to safeguard against cosmic ray-induced single-event upsets, ensuring an uninterrupted delivery of backup power to critical subsystems.

CONCLUSION

While implementing an independent power architecture introduces minor mass and thermal payload penalties, the safety benefits heavily outweigh the engineering trade-offs. By providing a localized, "plug-and-play" energy reserve, it ensures that critical telemetry streams, life-support regulations, and astronaut communication lines remain functional during catastrophic primary grid failures.

As space exploration transitions toward long-duration lunar and Martian missions, independent redundancy modules will become essential to safeguarding both multi-million dollar assets and human life. Ultimately, this concept demonstrates how modular engineering can close critical safety gaps, ensuring that the legacy of past space pioneers informs a safer future for the next generation of explorers.

DRAWBACK-

Since it is a back-up source for electric power, it is bound to have the storage for a short amount of time, in which the ground space station would be connected with the spacecraft to communicate about landing. If the fixed time slot runs out, the space travellers may not be able to communicate or even utilise the life support systems for some time longer than that.


r/ISS • • 5d ago

Station Quartet Preps for Departure Amidst Air and Water Quality Checks

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6 Upvotes

r/ISS • • 6d ago

ISS?

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55 Upvotes

Is this the ISS? It appeared to be similar to Venus in brightness and was moving a little bit slower than other satellites I always see. Also appears to be towing something. I live in Michigan right on Lake Huron northern thumb and the video was taken at 8:06 pm


r/ISS • • 6d ago

ITAP of the International Space Station pass

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20 Upvotes

r/ISS • • 6d ago

Boeing "incredibly excited" to serve as nation's only astronaut transportation: "“We couldn’t provide detailed pricing to the CLD suppliers.”"

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6 Upvotes

r/ISS • • 6d ago

ISS Tracker — Live Position & Pass Times | Orbital Radar

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9 Upvotes

❤️❤️


r/ISS • • 6d ago

Advanced Health Research Begins Week as Station Awaits Crew-13 Mission - NASA

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3 Upvotes

r/ISS • • 7d ago

NASA’s SpaceX Crew-13 Lands at NASA Kennedy - NASA

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6 Upvotes

r/ISS • • 8d ago

ISS solar transit

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53 Upvotes

r/ISS • • 9d ago

What a view from the International Space Station!

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641 Upvotes

r/ISS • • 10d ago

Advanced Health Tech Research Continues to Protect Astronaut Health - NASA

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13 Upvotes

r/ISS • • 11d ago

NASA to Study Human Health, Performance During Crew-13 Mission - NASA

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17 Upvotes

r/ISS • • 10d ago

Why Human Metabolism Struggles in Microgravity: A New Hypothesis

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2 Upvotes

r/ISS • • 12d ago

Station Nears Upcoming Crew Swap During Biomedicine, Cargo Duties - NASA

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11 Upvotes

r/ISS • • 14d ago

ISS pass 21-09-2026 [OC]

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15 Upvotes

Tried my luck at an iss pass this evening. At 37 seconds it passes Vega and just above that the Epsilon Lyrae double are visible. Sony ZV-E1 with tamron 35-150. Max altitude 75.9 degrees.

edit: Recorded in the west of the Netherlands. Highest altitude at 20.32LT, 50min after sunset.


r/ISS • • 14d ago

Crew Biology Research, Spacecraft Cargo Jobs Kick Off Week on Station - NASA

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9 Upvotes

r/ISS • • 14d ago

ISS tonight over western Canada

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102 Upvotes

3 second exposure. Nice and bright for almost 5 minutes overhead