A striking photograph from Chile’s Atacama Desert captures a surreal scene: a human-made staircase leading the eye towards a celestial spectacle. This image, shared by NASA’s Astronomy Picture of the Day (APOD), showcases not only the stark beauty of a terrestrial landscape but also the grandeur of our own Milky Way galaxy, zodiacal light, airglow, and even a distant galaxy.
A Cosmic Vista Above the Atacama
The photograph, taken in July 2025, features the “Desert Staircase” sculpture in the foreground, deliberately positioned to draw attention to the nearly vertical band of the Milky Way rising behind the vast Atacama Desert. This arid region in Chile is renowned for its exceptionally clear skies, making it a prime location for astronomical observation. Viewers can identify several celestial features within the image, including:
- The dark lane of our Milky Way galaxy.
- The ethereal band of zodiacal light in the upper left.
- Subtle green and red airglow just above the horizon.
- The star Spica, visible within the stripe of zodiacal light.
- The Small Magellanic Cloud galaxy, located at the very top right.
Earthly Features Meet Heavenly Sights
Beyond the cosmic wonders, the image also grounds the viewer with earthly details. Along the horizon, from left to right, one can spot the silhouettes of the Andes Mountains, the prominent Licancabur volcano, and the faint glow of town lights from San Pedro de Atacama. The composite, wide-angle nature of the image allows for an immersive experience, blending the sculpted art of humanity with the raw, unadulterated beauty of the cosmos.
Source: NASA
