Andy Resnick's latest activity

Since I will be sans interweb for a few days, this week's post is a bit early. Alkali-Feldspar Trachyte (QAPF field 6), Fen complex...

Not quite done, but good enough for now: This panorama of the Virgo cluster is (approximately) 3 x 4 fields using my 400mm lens...

I went out the other day with a 40mm lens and the Jupiter-37A 135mm, but ended up shooting mostly with the 135mm, because it's so much...

Thanks, but I don't understand...? Jupiter's diameter is 143000 km, if that's what you mean.

A brief macrophoto essay: first 2 images are micro nikkor 55mm, the remaining also use the M2 extender, to shoot at 1:1 reproduction @...

Clear nights have been scarce lately, but tonight I was able to image Jupiter and the Galilean moons: This is a 200% crop from a...

Transition rock between phonolite (left) and country rock (Telemark gneiss). The gneiss could either be a megacryst or the true chilled...

Spring leaves... it's getting quite lovely over here now... :smile: The first two photos may look like they have been taken with a...

'Took a flight back to flight to midwest (US) last week. 'Passed over (or at least near) the eastern part of the Grand Canyon. Here are...

You are studying a very complicated topic, primarily because the air-liquid interface is free to deform and not a boundary condition. I...

Altered tinguaite/rhomb porphyry (foid-bearing alkali-feldspar trachyte, QAPF zone 6b), Fen complex. Classified as trachyte due to lack...

This type of measurement was a major part of my dissertation. As you have noticed, it's not a simple measurement. I have a few...

Tinguaite/Altered foid-bearing trachyte (QAPF field 6b), Fen complex. Brownish smears on 1:1 image are artifacts (dirty slide) and not...

Yes, there is still a hydrostatic pressure head, but other forces dominate in microgravity- capillary forces, etc. Astronauts lose bone...

Again, the merit of peer review relies upon humans acting professionally. Bad actors always exist, but that's why some journals are...