# Sunrise Seen from Space Shuttle Endeavour, STS-77

JSC · 1996-05-22

Original title: Sunrise seen from STS-77 (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/JSC · Source: https://images.nasa.gov/details/s77e5073

## What you would see

The image captures the precise moment of sunrise as seen from Earth orbit, with the Sun appearing as an incandescent white point just emerging above the curved horizon. Light expands in a vertical magenta and pink flare, with optical reflections and lens artifacts stretching upward and downward, staining the surrounding darkness with intense red. The terrestrial horizon forms a thin, sharp line dividing the composition in two: below, deep night in nearly uniform black and purple tones, with no visible surface details; above, the atmosphere appears as horizontal bands in soft gradients, from golden orange hugging the limb, to pale sky blue and then to a deep blue that merges into the black of space. The texture is ethereal and diffuse at the atmospheric edges, while the solar glare is crisp and saturated at the center. Small secondary pink spots, caused by internal camera reflections, float to the right of the Sun. The scale is immense and abstract, with no human presence, only light, color, and planetary curvature.

## How to look at it

Start with the white dot of the Sun at the center of the horizon and follow its vertical pink trail. Then slowly scan the atmospheric color bands, from orange to dark blue. Notice the small pink reflections to the right that reveal this was taken through a lens and not with the naked eye.

## Context

Photograph catalogued as S77-E-5073, taken on May 22, 1996, during Space Shuttle Endeavour's STS-77 mission, according to NASA Image and Video Library and Johnson Space Center records. It was captured with an Electronic Still Camera (ESC) on flight day four, while the orbiter was about 175 statute miles above Earth. On that day the six-member crew deployed the PAMS-STU (Passive Aerodynamically Stabilized Magnetically Damped Satellite - Satellite Test Unit). The image documents one of the orbital sunrises observed during the mission, valued both as a scientific record and for its aesthetic quality.
(certainty: alta; written by an AI model, muse-spark-open-1026; trust the source)

## Curious detail

From low Earth orbit, about 175 statute miles up, shuttle astronauts could witness about 16 sunrises and sunsets every 24 hours, roughly one every 90 minutes.

## Questions

- How does your idea of a sunrise change when you see it without a landscape, only as light over the atmosphere?
- What do you feel when you see the sharp division between the darkness of space and the thin luminous band of Earth?
- How is this scientific image different from an artistic photograph of a sunset?

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

1. What intense color is the large vertical flare that crosses the sun in the center of the image?
2. What thin curved line divides the image between the darkness below and the colors of the atmosphere above?
3. According to the record, what bright white object is just emerging above the horizon?

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