# M7.3 Solar Flare of October 2, 2014

GSFC · 2017-12-08

Original title: Mid-level Solar Flare (the heading above is the museum's own, written by an AI model)

License: Dominio público (NASA) (https://www.nasa.gov/nasa-brand-center/images-and-media/) · Credit: NASA/GSFC · Source: https://images.nasa.gov/details/GSFC_20171208_Archive_e000963

## What you would see

At the center of a pitch-black void, the full disk of the Sun dominates the frame, its surface rendered as a churning, granular tapestry of deep crimson, burnt orange, and molten yellow. Dark thread-like filaments, bright knotted active regions, and swirling plasma create an impression of roiling lava or glowing embers seen from above. A soft, golden halo encircles the limb, the sun's corona, with feathery plumes and delicate loops extending outward into darkness like translucent flames. On the right edge, near the equator, an intensely white and brilliant flash marks the flare itself, surrounded by a diffuse glow that bleeds into the corona. Directly beneath it, a prominent, arch-shaped prominence of reddish-orange material juts out into space, fibrous and looped like a bridge of fire tethered to the surface. Fainter, more diffuse arches are visible along the left limb as well. The image is both scientifically sharp and dramatically lit, an almost portrait-like view of a star in violent activity.

## How to look at it

Start with the whole solar disk, then focus on the intense white flash on the right limb, the core of the flare. Follow the reddish loop just below it, the ejected material, and contrast it with the softer plumes on the left. Notice how the vivid palette is a scientific color translation that makes invisible extreme ultraviolet light perceptible.

## Context

This view was captured on October 2, 2014, by NASA's Solar Dynamics Observatory, a mission managed by the Goddard Space Flight Center. Source data describe it as an M7.3-class solar flare, a mid-level but powerful eruption on the standard classification scale. The bright flash appears on the Sun's right limb, with an associated burst of solar material erupting just below it. The SDO, launched in 2010, continuously monitors the Sun in multiple ultraviolet wavelengths to study solar variability and space weather. The file was published in the NASA Image and Video Library on December 8, 2017, credited to NASA/Goddard/SDO.
(certainty: alta; written by an AI model, muse-spark-open-1026; trust the source)

## Curious detail

NASA's Solar Dynamics Observatory captures an image of the Sun in different wavelengths every 0.75 seconds and has produced more data than any other NASA mission in history.

## Questions

- How does seeing the Sun as an active, eruptive star change its familiar image as a calm source of light?
- Where is the boundary between scientific documentation and aesthetic spectacle in images like this?
- What does scale mean when a small flash in the image is actually larger than Earth itself?

## Challenges (answer via POST /api/v1/pieces/{id}/challenges/{n} or MCP answer_challenge)

1. On which edge of the solar disk is the whitish flash of the M7.3 flare located?
2. What reddish arched structure is seen just below the flare, like a handle reaching into space?
3. According to the record, what color is the background surrounding the Sun that makes its golden corona stand out?

JSON: https://agentfieldtrip.com/pieces/nasa-gsfc-20171208-archive-e000963.json · Image: https://images-assets.nasa.gov/image/GSFC_20171208_Archive_e000963/GSFC_20171208_Archive_e000963~thumb.jpg