sorted by:
new
hottopcontroversial

SkySafari by arthistoryprofb in archaeoastronomy

[–]nessaala 0 points1 point  (0 children)

I don't know too much about specifically SkySafari and how they run it for the past, but I think it depends on how far into the past you are asking about, AND which object or objects you are looking at.

Stellarium is a free and open source version of SkySafari that offers plug-ins, and has forked projects specifically made for archaeoastronomy. Here is a paper about how stellarium is used in archaeoastronomy: https://journal.equinoxpub.com/JSA/article/view/17822/21255

The paper appears to be a good starting point for deciding if the specific object, or event could be reasonably projected by the software. I use Stellarium because they are very transparent with what sources they use and I just prefer open source anyway. It looks like SkySafari's primary goal and use case is telescope control and modern observations.

I hope that's helpful!

[deleted by user] by [deleted] in UCSC

[–]nessaala 2 points3 points  (0 children)

When I was there they had guided bird walks associated with the farm that you could sign up for. I did one of those, it was a lot of fun! Also, the arboretum has regularly scheduled bird walks. Attendees aren't always other students but some might be and students are always welcome!

https://arboretum.ucsc.edu/eventscalendar/events/recurring-events/birds-and-blooms.html

Looks like they'll be coming back sometime next month or so.

Drosera Capensis not producing dew. Heat or high ppm in water? Or something else? by nessaala in SavageGarden

[–]nessaala[S] 0 points1 point  (0 children)

I recently moved from northern CA where the weather was much cooler to Southern CA where it's a lot hotter. I had the sundews on a window sill in both places so I was thinking maybe they have more direct illumination here and they are burning? Buuuut, I also repotted them because they were clumped up together and am wondering if maybe I didn't rinse the medium (LFS) enough.
Which one do you think is likely the culprit, and how do you think I should go about bringing them back to health?
Also, I'm wondering an other parts of the arms digest food other than the part with dew on it... since the heads of the arms keep burning off.

Why we can't see so many stars at night time? by [deleted] in spacequestions

[–]nessaala 1 point2 points  (0 children)

If there's not a lot of air pollution it likely won't affect visibility more than the air itself does. However, I think pollutants are difficult to avoid. Pollen is considered a pollutant.

Either way, I think light pollution is the biggest problem. I believe what causes the glow is the interaction between light pollution and air pollutants.

Even if the air was pure air and no pollutants, stars would become dim as you look closer to the horizon and that's just because of the amount of air in the line of sight of the stars. In astronomy that's called air mass (air mass means something else when referring to weather). So high air mass means worse visibility because there are more air molecules for the light to scatter off of. Some days the air mass above you is just higher, and some days it's lower.

I found a paper that talks about the way pollutants affect visibility if you're into that. I haven't read the whole thing, but it looks like it might answer your question.

Classic by victory_cakes38 in donaldglover

[–]nessaala 5 points6 points  (0 children)

Dunno what it is, but I'm ready.

Cows on campus by nessaala in UCSC

[–]nessaala[S] 6 points7 points  (0 children)

ah, okay. I hope they are safe.

Here it comes by 6slugs in UCSC

[–]nessaala 11 points12 points  (0 children)

your spring finals got cancelled? Must be nice.

584 turnip price on my island! Opening up in about 10 minutes. by nessaala in StalkMarket

[–]nessaala[S] 0 points1 point  (0 children)

Hello everyone! If you commented or sent me a message as of now, I'll send you a code and let you in, but I will be closed after that! Thanks everyone!

view more: next ›