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  1. 20 Δεκ 2023 · Explore NASA's media galleries to view and download high-resolution images of the solar system, agency missions, and more. 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.

    • Nebula

      What Is a Nebula? A nebula is a cloud of dust and gas in...

  2. 8 Νοε 2024 · A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form.

  3. Flip through Hubble's numerous Flickr albums and see astronauts at work in space, behind the scenes of mission operations, and Hubble's iconic images from nebulae to gravitational lens. M57, or the Ring Nebula, is a planetary nebula, the glowing remains of a sun-like star.

  4. 23 Αυγ 2021 · The nebula, cataloged as NGC 1999, is a reflection nebula, which shines by reflecting light from a nearby star. Unlike emission nebulae, whose reddish glow comes from excited atoms of gas, reflection nebulae have a bluish cast as their interstellar dust grains preferentially reflect blue starlight.

  5. 5 Αυγ 2024 · What Is a Nebula? A nebula is a cloud of dust and gas in space. How Did the Solar System Form? The story starts about 4.6 billion years ago, with a cloud of stellar dust. explore; Gallery of NASA Universe Images. Galaxies, nebulae, and supernova remnants to view or print. explore; Glossary

  6. The lenticular galaxy NGC 5283 is the subject of this NASA Hubble Space Telescope image. NGC 5283 contains an active... N44 is a complex nebula filled with glowing hydrogen gas, dark lanes of dust, massive stars, and many populations of...

  7. 17 Ιουν 2024 · Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any celestial object that appears cloud-like when viewed through a telescope.

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