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Planetary Nebula HDW 3 ~ Its distinctive braided shape is the result of the planetary nebula colliding with the interstellar gas around it as the nebula moves through the galaxy. The star that produced the nebula is the faint bluish one just below and to the right of the bright star near the centre of the image. Credit: T A Rector and H Schweiker

Planetary Nebula HDW 3 “ Hartl-Dengel-Weinberger 3 (HDW is a large, ancient planetary nebula. Its distinctive braided shape is the result of the planetary nebula colliding with the interstellar gas.

Iris, the Stars Are Bright Pin It Credit: Canada-France-Hawaii Telescope/Coelum 11/3/14: The Iris Nebula, NGC 7023, lies 1,300 light-years away in the constellation Cepheus.

The Iris Nebula, NGC lies light-years away in the constellation Cepheus. Atoms floating in the interstellar medium, including carbon and silicon, combine into tiny particles about the dimension of a visible light wave, causing scattering of light.

Very faint planetary nebula Abell 7 is some 1,800 light-years distant, just south of Orion in planet Earth's skies in the constellation Lepus, The Hare. Surrounded by Milky Way stars and near the line-of-sight to distant background galaxies, its generally simple spherical shape, about 8 light-years in diameter, is outlined in this deep telescopic image. Within its confines are beautiful, more complex details enhanced by the use of narrowband filters.

faint, simple planetary Abell 7 & its beautiful details

https://apod.nasa.gov/apod/ap121008.html

From : Mt Lemmon Sky Center credit : Adam Block/Mt Lemmon Sky Center/University of Arizona * Abell 33 * This is an unusual planetary nebula in that it has an almost perfect spherical shell. It is found in the constellation Hercules

Abell 78 planetary nebula

Lemmon 24 inch R-C, LRGB, original frames Adam Block, processing by JDS

NASA - A Ghost in Cepheus:  Described as a "dusty curtain" or "ghostly apparition," mysterious reflection nebula VdB 152 really is very faint. The cosmic phantom is nearly 1,400 light-years away. It lies along the northern Milky Way in the constellation Cepheus. Pockets of interstellar dust in the region block light or scatter light from the star, giving a blue color. This star seems to have only accidentally wandered into the area, as its velocity is very different from the cloud's…

A Ghost in Cepheus

A Ghost in Cepheus Described as a "dusty curtain" or "ghostly apparition," mysterious reflection nebula VdB 152 really is very faint. Far from your neighborhood on this Halloween Night, the cosmic phantom is nearly light-years away.

Zoomed out farther, the Ring reveals thin, dim outer shells that the central star threw off before it performed its more radical final disrobing. Many other planetary nebulae display similar outer halos in various flowery shapes. The halos here were composited into the image from deep exposures taken with the Large Binocular Telescope in Arizona.  NASA / ESA / C. Robert O’Dell / David Thompson

Zoomed out farther, the Ring reveals thin, dim outer shells that the central star threw off before it performed its more radical final disrobing. Many other planetary nebulae display similar outer halos in various flowery shapes. The halos here were composited into the image from deep exposures taken with the Large Binocular Telescope in Arizona. NASA / ESA / C. Robert O’Dell / David Thompson

How Far Away Are Our Nearest Stars?  Graphic created by Space.com showing that the closest stars and their accompanying solar systems

The nearest stars, their distances in light-years, spectral types and known planets. Only 9 of the stars within 15 light years can be seen with the unaided eye from Earth.

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