1. Explanation: Is this a spiral galaxy ? No.

2. Big, beautiful spiral galaxy NGC 1055 is a dominant member of a small galaxy group a mere 60 million light-years away toward the intimidating constellation Cetus.

3. Maffei 2 is a spiral galaxy thatalso has a disk shape, but with a bar-like central bulge and twoprominent dusty spiral arms.

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4. Explanation: This impressive color composite shows spiral galaxy M 81 across the electromagnetic spectrum.

5. Image of the famous early-type spiral galaxy Messier 104, widely known as the "Sombrero" (the Mexican hat) because of its particular shape.

6. Explanation: This bright, beautiful spiral galaxy is Messier 64, sometimes known as the Black Eye Galaxy.

7. The mystery arises when one considers how a spiral galaxy rotates.

8. Explanation: Big, beautiful spiral galaxy NGC 7331 is often an analog to our own Milky Way.

9. The Milky Way is a spiral galaxy, having pinwheel-shaped arms of gas, dust, and stars lying in a flattened disc, and extending directly out from a spherical nucleus of stars in the central region.

10. NGC 3628 is an edge - on spiral galaxy, as we are viewing it at the side angle.

11. The beautiful spiral galaxy, located in the southern constellation Pavo (The Peacock), is a virtual copy of our own Milky Way, though about twice as big.

12. NGC 1512 is a barred spiral galaxy in the southern constellation of Horologium.

13. That's the upshot of a new study of M33, a nearby spiral galaxy located 2.8 million light-years away in the constellation Triangulum.

14. A Note on The Asymptotic Density - Potential Relation of The Spiral Galaxy With Finite Disk Thickness.

15. The middle image is an example of a tiny, youthful spiral galaxy.

16. The last remnants of a dwarf galaxy circle the spiral galaxy that tore it apart.

17. About 1,000 light-years across, the twisted cosmic dust cloud apparently shaped like a parallelogram is likely the result of a smaller spiral galaxy falling into the giant Centaurus A.

18. Observations of the galaxy, NGC 4945, suggest that this hive of stars is a spiral galaxy much like our own, with swirling, luminous arms and a bar-shaped central region.