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NASA Astronomy Picture of the Day
NGC 7023: The Iris Nebula
These cosmic clouds have blossomed 1,300 light-years away in the fertile starfields of the constellation Cepheus. Called the Iris Nebula, NGC 7023 is not the only nebula to evoke the imagery of flowers. Still, this deep telescopic image shows off the Iris Nebula's range of colors and symmetries embedded in surrounding fields of interstellar dust. Within the Iris itself, dusty nebular material surrounds a hot, young star. The dominant color of the brighter reflection nebula is blue, characteristic of dust grains reflecting starlight. Central filaments of the reflection nebula glow with a faint reddish photoluminescence as some dust grains effectively convert the star's invisible ultraviolet radiation to visible red light. Infrared observations indicate that this nebula contains complex carbon molecules known as PAHs. The dusty blue petals of the Iris Nebula span about six light-years.
Image credit: Justus Falk — APOD is a service of NASA and Michigan Tech. U.
View on NASA APODSpace News
NASA awarded Intuitive Machines $180.4 million to deliver seven science payloads to the lunar surface as part of the Commercial Lunar Payload Services initiative supporting Artemis.
NASA — 27 Mar 2026
NASA selected 10 scientists to support lunar surface operations for Artemis astronauts at the Moon's south pole, including instrument deployment and sample collection.
NASA — 27 Mar 2026
NASA released the countdown timeline for Artemis II, targeting no earlier than April 1, 2026, to launch the first crewed mission around the Moon with four astronauts.
NASA — 26 Mar 2026
The European Service Module will provide critical propulsion, power, and life support systems for Artemis II astronauts on their journey around the Moon and back to Earth.
ESA — 27 Mar 2026
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