September 28, 2016
The universe has spent billions of years making things that shine. On your birthday, we celebrate one of its quieter masterpieces.
NGC 3576: The Statue of Liberty Nebula
Birthday · September 28, 2016
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APOD published September 28, 2016. Credit: S. Mazlin, J. Harvey, R. Gilbert, & D. Verschatse (SSRO/PROMPT/UNC). A publication-date match, not a photo taken on your date. Independent of NASA.
What's happening in the Statue of Liberty nebula? Bright stars and interesting molecules are forming and being liberated. The complex nebula resides in the star forming region called RCW 57. This image showcases dense knots of dark interstellar dust, bright stars that have formed in the past few million years, fields of glowing hydrogen gas ionized by these stars, and great loops of gas expelled by dying stars. A detailed study of NGC 3576, also known as NGC 3582 and NGC 3584, uncovered at least 33 massive stars in the end stages of formation, and the clear presence of the complex carbon molecules known as polycyclic aromatic hydrocarbons (PAHs). PAHs are thought to be created in the cooling gas of star forming regions, and their development in the Sun's formation nebula five billion years ago may have been an important step in the development of life on Earth. The featured image was taken at the Cerro Tololo Inter-American Observatory in Chile. Free Download: APOD 2017 Calendar: NASA Images
Image credit: S. Mazlin, J. Harvey, R. Gilbert, & D. Verschatse (SSRO/PROMPT/UNC)