Dwarf galassia irregolare, ho Zwicky 18

• Collaboratore: Science History Images / Alamy Foto Stock
• ID dell’immagine: HRJMAP
• Dimensioni dei file: 39,4 MB (2,3 MB Download compresso)
• Liberatorie: Modello - no | Proprietà - no
• Dimensioni: 3750 x 3674 px | 31,8 x 31,1 cm | 12,5 x 12,2 inches | 300dpi
• Fotografo: Photo Researchers

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NASA/ESA Hubble Space Telescope snapped a view of what may be the youngest galaxy ever seen. This "late bloomer" may not have begun active star formation until about 13 billion years after the Big Bang. Called I Zwicky 18 (below, left), the galaxy may be as young as 500 million years old. This youngster has gone though several sudden bursts of star formation, with the first occurring only about 500 million years ago and the latest only 4 million years ago. This galaxy is typical of the kinds of galaxies that inhabited the early universe. The galaxy is classified as a dwarf irregular galaxy and is much smaller than our Milky Way.

Parole chiave associate all'immagine

• 18
• astrofisica
• astrofisico
• astronomico
• astronomy
• cielo profondo
• corpo celestiale
• galassia
• galassia di zwicky
• galassia irregolare
• galassia nana
• galassia nana irregolare
• galassie
• heavenly body
• hst
• hst image
• hubble space telescope image
• io zwicky 18
• oggetto astronomico
• oggetto celeste
• scienza
• spazio
• spazio profondo
• zwicky