Starship Asterisk*

Cool pic, thanks. Copyeditor's note: "...its geometry of shells and arcs is surely intriguing." The sentence subject is geometry, which is singular.

Thanks for another good APOD.
Unsolicited copyeditor's note: "170 meters" takes no hyphen. Only measurements expressed as an adjective should be hyphenated: "DART collided with the 170-meter asteroid yesterday."

IS.. The GBT explores our universe not only during the night -- but during the day, too, since the daytime sky is typically dark in radio waves. Should Be.. The GBT explores our universe not only during the night -- but during the day, too, since the daytime sky is ALSO BRIGHT in radio waves. N2LO@...

Dan wrote: ↑Wed Feb 23, 2022 11:26 am Way too many "composites" these days...

Agree.

Thanks for the cool pic and info.
Copyediting note: "100 meters" should not be hyphenated.

Good idea for a shot. Anyone know what might be causing the effect where the sky meets the rock? I'd say the imager was a bit too aggressive with a sharpening filter. They tend to produce that type of artifact across hard contrast boundaries. Thanks. I thought it must be some kind of after-effect.

https://www.youtube.com/watch?v=gXOKKY7oUK4 ...side note to Otto: "fit 'iconically' inside the rock arch"?? A pun, peut-être :?: icon (n.) also ikon, 1570s, "image, figure, picture," also "statue," from Late Latin icon, from Greek eikon "likeness, image, portrait;...

Good idea for a shot. Anyone know what might be causing the effect where the sky meets the rock?
Also, side note to Otto: "fit 'iconically' inside the rock arch"??
Eric

Otto, thanks for the heads-up and the excellent graphic! But here the Pleiades are being invaded by a much smaller interloper as well: the dreaded 21-st-century inappropriate hyphen! :shock: "naked eye" does not want a hyphen here, only when used as a compound adjective: "naked-eye ob...

Nice pic, thanks!
Description typo note: the shower rains down, not rain.
--Eric

Great image, thanks! Typo note: Carngegie > Carnegie.

Great pic. Has anyone been able to follow the link to the full-res image? I'm getting a "not found" when I try.
--Eric