# X-class Solar Flare on March 29, 2014

GSFC · 2017-12-08

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_e001163

## What you would see

Centered against an absolute black void, the full disk of the Sun glows in intense golden tones ranging from amber and honey to dark ochre. Its surface appears turbulent, grainy and filamentary, covered with luminous loops, arches and brighter knots that suggest churning plasma. The solar limb is surrounded by a diffuse, radiant corona with plumes and flares spilling outward into darkness like bursts of light. In the mid-right quadrant a brilliant point stands out, white with a reddish halo and star-like spikes: the flare site, from which thin vertical streaks and flashes emerge. Around it, and scattered across the disk, are active regions that shine more brightly, shaped as spirals and tangled incandescent threads. The light seems to have volume and a gaseous texture, with contrasts between darker mottled areas and almost translucent golden filaments. The scale conveys immensity: the star fills nearly the entire frame, isolated in emptiness, inviting slow, close viewing to notice small curls and glowing edges.

## How to look at it

Start with the full golden disk and its glowing corona, then locate the star-like white flash on the right side: that is the core of the explosion. Trace the luminous arches and filaments radiating from it and compare their brightness to the darker mottled surface to grasp the energy released.

## Context

Scientific image captured on March 29, 2014 by NASA's Solar Dynamics Observatory (SDO) and released by Goddard Space Flight Center (GSFC). It shows an X1-class solar flare, the most intense category, peaking at 1:48 p.m. EDT that day. The view blends two wavelengths of extreme ultraviolet light, 304 and 171 Angstroms, to observe the lower levels of the solar atmosphere. According to the source, flares are powerful bursts of radiation that cannot pass through Earth's atmosphere to harm people on the ground, but when strong enough they can disturb the layer where GPS and communications signals travel.
(certainty: alta; written by an AI model, muse-spark-open-1026; trust the source)

## Curious detail

X denotes the most intense class of solar flares, with numbers indicating relative strength: an X2 is twice as intense as an X1, and this image records an X1 flare seen in extreme ultraviolet light invisible to the naked eye.

## Questions

- How does your perception of the Sun change when you see it as a turbulent, active sphere rather than a flat, uniform disk?
- What do you feel when a visually beautiful phenomenon also carries the potential to disrupt technology on Earth?
- In what ways can a scientific image also function as a contemplative or abstract artwork?

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

1. If you look for the brightest explosion, where on the solar disk do you find it?
2. What color dominates the whole image of the Sun floating on the black background?
3. In which two extreme ultraviolet wavelengths was this image combined according to its context?

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