The eruption of a solar filament, producing what’s called a Coronal Mass Ejection.
Image credit: NASA’s GSFC, SDO AIA Team.

The eruption of a solar filament, producing what’s called a Coronal Mass Ejection.

Image credit: NASA’s GSFC, SDO AIA Team.

A seldom-reproduced corner of the Sistine ceiling.
Okay. Actually Planetary Nebula NGC 2818.
Image credit: NASA, ESA, Hubble Heritage Team (STScI / AURA).

A seldom-reproduced corner of the Sistine ceiling.

Okay. Actually Planetary Nebula NGC 2818.

Image credit: NASA, ESA, Hubble Heritage Team (STScI / AURA).

SN 1006, a supernova remnant; the remains of a compact white dwarf star in a binary system, which gradually captured material from its companion. The buildup in mass finally triggered an explosion that destroyed the dwarf.
Image credit: NASA, ESA, Zolt Levay (STScI).

SN 1006, a supernova remnant; the remains of a compact white dwarf star in a binary system, which gradually captured material from its companion. The buildup in mass finally triggered an explosion that destroyed the dwarf.

Image credit: NASA, ESA, Zolt Levay (STScI).

Cloister, Salisbury Cathedral, Salisbury, England.
http://www.ontarioarchitecture.com/gothic.htm

Cloister, Salisbury Cathedral, Salisbury, England.

http://www.ontarioarchitecture.com/gothic.htm

Cloister in Barcelona, Spain, behind Carrer Roger de Lluria.
http://www.panoramio.com/photo/2793199

Cloister in Barcelona, Spain, behind Carrer Roger de Lluria.

http://www.panoramio.com/photo/2793199

Thamserku, Nepal, a peak in the Himalayan chain. The iridescent clouds behind it are a result of thin clouds, water droplets of nearly uniform size, and the sun’s being in just the right position.
Image credit and copyright: Oleg Bartunov

Thamserku, Nepal, a peak in the Himalayan chain. The iridescent clouds behind it are a result of thin clouds, water droplets of nearly uniform size, and the sun’s being in just the right position.

Image credit and copyright: Oleg Bartunov

M106, also known as NGC 4258, a spiral galaxy with anomalous blue and purple “arms,” which are evidence of jets of material into the galaxy’s disc, probably powered by material falling into a massive central black hole.
Image credit: X-ray: NASA / CXC / Caltech / P. Ogle et al.; optical” NASA / STScI; IR: NASA / JPL-Caltech; Radio: NSF / NRAO / VLA.

M106, also known as NGC 4258, a spiral galaxy with anomalous blue and purple “arms,” which are evidence of jets of material into the galaxy’s disc, probably powered by material falling into a massive central black hole.

Image credit: X-ray: NASA / CXC / Caltech / P. Ogle et al.; optical” NASA / STScI; IR: NASA / JPL-Caltech; Radio: NSF / NRAO / VLA.

The Cloisters, Paradise Island, Nassau, the Bahamas.
The ruins of a French monastery brought to Nassau in the 1920s by William Randolph Hearst.
http://www.tripadvisor.co.uk/LocationPhotoDirectLink-g147416-d4354319-i100193712-The_Cloisters_Nassau-Nassau_New_Providence_Island_Bahamas.html

The Cloisters, Paradise Island, Nassau, the Bahamas.

The ruins of a French monastery brought to Nassau in the 1920s by William Randolph Hearst.

http://www.tripadvisor.co.uk/LocationPhotoDirectLink-g147416-d4354319-i100193712-The_Cloisters_Nassau-Nassau_New_Providence_Island_Bahamas.html

Not Gothic, not Romanesque, not even Christian: this is the Long Cloister in the Temple of Angkor Wat.
http://www.stuckincustoms.com/2007/08/05/the-long-hall-of-the-temple/

Not Gothic, not Romanesque, not even Christian: this is the Long Cloister in the Temple of Angkor Wat.

http://www.stuckincustoms.com/2007/08/05/the-long-hall-of-the-temple/

The Cygnus Wall, part of a larger emission nebula called the North America Nebula because of its shape; this section suggests the western coast of Mexico.
Image credit and copyright: Martin Pugh.

The Cygnus Wall, part of a larger emission nebula called the North America Nebula because of its shape; this section suggests the western coast of Mexico.

Image credit and copyright: Martin Pugh.

The Milky Way over Galaxy Cove, Julia Pfeiffer Burns State Park, California.
Image credit and copyright: Rogelio Bernal Andreo (Deep Sky Colors).

The Milky Way over Galaxy Cove, Julia Pfeiffer Burns State Park, California.

Image credit and copyright: Rogelio Bernal Andreo (Deep Sky Colors).

A rare, massive Wolf-Rayet star, WR 124. Wolf-Rayet stars are exploding stars, the disintegration of which we can actually watch through our telescopes. This one is creating the nebula M1-67.
Image credit: Hubble Legacy Archive, NASA, ESA; processing and license: Judy Schmidt.

A rare, massive Wolf-Rayet star, WR 124. Wolf-Rayet stars are exploding stars, the disintegration of which we can actually watch through our telescopes. This one is creating the nebula M1-67.

Image credit: Hubble Legacy Archive, NASA, ESA; processing and license: Judy Schmidt.

Rockefeller Arch, Bryn Mawr College, Bryn Mawr, PA.
https://www.flickr.com/groups/brynmawr/pool/tags/campus/page5/

Rockefeller Arch, Bryn Mawr College, Bryn Mawr, PA.

https://www.flickr.com/groups/brynmawr/pool/tags/campus/page5/

Chapter room, Abbaye de Fontevraud (or Fontevrault), near Chinon, Anjou, France.

http://www.technomc.info/niveau%205%20/LEXIQUE%20musulman%20roman%20gohique.htm

Chapter room, Abbaye de Fontevraud (or Fontevrault), near Chinon, Anjou, France.

http://www.technomc.info/niveau%205%20/LEXIQUE%20musulman%20roman%20gohique.htm