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Sky Candy in Focus

NASA

I mean, out of focus would be silly, right? Play the music.

Certainly this one is in focus. Is there a Pulitzer for astrophotography?

Let's get a closer look.

Some more color shots of the lunar far side. As I described last week, this isn't the color you would see with the naked eye, which has really limited exposure time. This is a composite of many shots to bring out the colors. I'd really like to know what the colors are seeing.

Y'know, I'm so old I remember when we wondered if there were other planets than those in our solar system, and expected if there were they would be very much like our own.

And honestly, we didn't have any idea how wild and varied our own solar system was. I remember my disappointment when the first Mariner photographs of Mars didn't show any canals (I had just read Heinlein's Red Planet.) And all we knew of Neptune was that it was a dot.

And it took a Nobel Prize to even be able to take these.

The Webb telescope is even wilder. The "rays" are artifacts of the telescope, but that's a Seyfert galaxy, one variety of an active galactic nucleus.

Messier 77 (M77, also known as NGC 1068 or the Squid Galaxy) is a classic example of a Seyfert galaxy—specifically a Type II Seyfert.

Key details:
  • It's a barred spiral galaxy with a very bright, active galactic nucleus (AGN) powered by a supermassive black hole accreting material. This makes its core exceptionally luminous in X-rays, ultraviolet, and infrared.

  • M77 is one of the brightest, closest, and best-studied Type 2 Seyfert galaxies, serving as a prototype for the class. In Type II Seyferts, the broad emission lines from the central engine are obscured (often by a thick torus of gas and dust), unlike the more directly visible Type I.

  • It's located about 45–47 million light-years away in Cetus and stands out for combining proximity with dramatic activity, including strong star formation in its arms.
This active nature is exactly why the recent JWST images highlight its brilliant core and dust lanes so vividly.

Here's something else we would never see with the naked eye because a good bit of this is X-ray light. So this is false-colored to bring out the details.

Now, this one's only excuse is that it's pretty. 

Billions of stars, and each star probably has at least one planet.

Almost 200 years ago, Eta Carinae exploded, and we're still seeing the shock.

The Sombrero Galaxy is always good for a look.

So many stars.

I love that song.

So that's it for this week. I hope you enjoyed it, and as always I love comments. Come back next week for more Sky Candy.

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