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APOD: 2013 August 11 – M74: The Perfect Spiral

APOD: 2013 August 11 – M74: The Perfect Spiral

30 de julho de 2026
há cerca de 1 hora
APOD: 2013 August 11 – M74: The Perfect Spiral

APOD

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

M74: The Perfect Spiral

Explanation: If not perfect, then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars, 32 million light-years away toward the constellation Pisces , M74 presents a gorgeous face-on view . Classified as an Sc galaxy, the grand design of M74's graceful spiral arms are traced by bright blue star clusters and dark cosmic dust lanes. Constructed from image data recorded in 2003 and 2005, this sharp composite is from the Hubble Space Telescope's Advanced Camera for Surveys. Spanning about 30,000 light-years across the face of M74, it includes exposures recording emission from hydrogen atoms, highlighting the reddish glow of the galaxy's large star-forming regions. Recently, many astronomers are tracking a bright supernova that has been seen in M74.

Gallery: Highlights of the 2013 Perseids Meteor Shower

Date August 11, 2013
Credit Image Credit: NASA , ESA , and the Hubble Heritage ( STScI / AURA )- ESA / Hubble Collaboration
Acknowledgment: R. Chandar (Univ. Toledo) and J. Miller (Univ. Michigan)
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.

NASA

Agência Espacial Americana

Fonte original