Discussion Overview
The discussion revolves around a fictional scenario involving a Mars orbiter witnessing a catastrophic coronal mass ejection (CME) affecting Earth. Participants explore the implications of this event on communication and observation capabilities, as well as the narrative possibilities for a story set in this context.
Discussion Character
- Exploratory
- Conceptual clarification
- Debate/contested
Main Points Raised
- One participant suggests that a good telescope on the Mars orbiter could eventually resolve Earth as a globe, but notes that the Sun's position would initially obstruct observations and communications.
- Another participant estimates it might take one to two months after the opposition for enough of Earth's night side to be visible to conclude that the power grid is down.
- Concerns are raised about the realism of the scenario, with one participant arguing that a manned Mars mission would likely have a transmitting probe to maintain communication even when Earth is behind the Sun.
- There is speculation about the potential impact of a large CME on the power grid, with conflicting views on whether emergency power would be restored quickly or if it could take years to recover.
- Some participants discuss the possibility of advance warnings for CMEs, noting that while warnings exist, there may not be enough time to communicate them to the Mars orbiter.
- One participant emphasizes the perspective of the crew on the orbiter, suggesting that their situation would render advance warnings moot if Earth were in crisis.
- There is a light-hearted mention of including action elements in the story, with one participant joking about the need for guns in the narrative.
Areas of Agreement / Disagreement
Participants express a mix of agreement and disagreement regarding the realism of the scenario and the implications of a CME on communication and power restoration. No consensus is reached on the timeline for visibility of Earth's night side or the effectiveness of emergency measures following a CME.
Contextual Notes
Participants acknowledge various assumptions about communication technology, the nature of CMEs, and the operational protocols of space missions, which remain unresolved in the discussion.