User Portlet User Portlet

Jeffrey Bryant
Discussions
![Exploring Trans-Neptunian objects (TNOs) and "Planet 9"][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=Video-2025-06-04T09-01-28-optimize.gif&userId=20103 [2]:...
![Campi Flegrei (Phlegraean Fields): an active volcanic caldera west of Naples and Mount Vesuvius][1] &[Wolfram Notebook][2] [1]:...
&[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/3caefcb4-4906-4a2f-bf81-cfeababd2537
You can find the distance between Earth and the Moon using ``` In[135]:= AstroDistance[Entity["Planet", "Earth"], Dated[Entity["PlanetaryMoon", "Moon"], DateObject[{2025, 4, 17, 0, 0, 0}, TimeZone -> -6]]] Out[135]= Quantity[0.00268902,...
![Partial solar eclipse on March 29, 2025: visible in Canada and far northeastern US, and at lower magnitudes of coverage in Africa, Europe and Asia][1] &[Wolfram Notebook][2] [1]:...
![Coronal holes on the Sun indicate upcoming acceleration in solar wind speed][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=Main26032025.png&userId=20103 [2]:...
![Venus Inferior Conjunction 2025: Phases, Elongation, and Solar Alignment Dynamics][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=InferiorconjunctionofVenus_700.gif&userId=20103 [2]:...
![Total lunar eclipse of March 13-14, 2025: detailed phases timeline and Earth's shadow impact][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=TotallunareclipseofMarch14.gif&userId=20103 ...
&[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/048a5e88-a763-4c00-9a1f-c24d4a57382f
![Is asteroid 2024 YR4 going to hit Earth in 2032? Numeric n-body simulation, NASA data, gravitational interactions, astronomical data.][1] &[Wolfram Notebook][2] [1]:...