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The data in Alpha was obtained from a previous iteration of the NASA site around 2009. Back then, the algorithms used to compute solar/lunar phenomena were likely based on JPL DE 405/406 ephemeris. Since then, they have likely updated to use the JPL... |
I've just submitted a 3D modeling approach to the SARS-CoV-2 virus here: https://community.wolfram.com/groups/-/m/t/1989540 |
*MODERATOR NOTE: coronavirus resources & updates:* https://wolfr.am/coronavirus ---------- &[Wolfram Notebook][1] [Original Notebook]: https://www.wolframcloud.com/obj/4dc431b1-9dd2-479f-95be-6cc5f62aec43 [1]:... |
For what its worth, the USGS website keeps going down and coming back up: https://astrogeology.usgs.gov/search/map/Moon/Geology/Unified_Geologic_Map_of_the_Moon_GIS So, if it doesn't come up for you, try again later. It was working fine when I... |
I have to say I have never done serious research on the Yellowstone system, not being a geologist by training, just an enthusiast. I found the following article interesting: ... |
&[embedded notebook][1] [1]: https://www.wolframcloud.com/obj/5802652e-672a-4912-9dfe-b77f6ece2959 |
&[embedded notebook][1] [1]: https://www.wolframcloud.com/obj/432a846b-57cd-4530-8167-aff54b3e061d |
![Mercury transiting across the face of the Sun in November 2019][1] On November 11, 2019, the planet Mercury will transit across the face of the Sun. If you have a suitably designed telescope or other observing apparatus for observing the Sun... |
The "light beige area" you refer to is a visual illusion caused by the confluence of all the grid lines. If you turn off the grid lines, I don't think you will still see it. |
Interesting about the Mississippi site. I didn't even notice that. Interesting read! |