add reseach.md with atmospheric pressure table

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+# Planetary/Moon data table
+
+| Name | Radius (km) | Mean orbit radius (km) |
+| ---- | ----------- | ---------------------- |
+| [Jupiter](https://en.wikipedia.org/wiki/Jupiter) | 69,911 | / |
+| [Metis](https://en.wikipedia.org/wiki/Metis_(moon) | 21.5 | 128,000 |
+| [Thebe](https://en.wikipedia.org/wiki/Thebe_(moon)) | 49.3 | 221,889 |
+| [Callisto](https://en.wikipedia.org/wiki/Callisto_(moon)) | 2410 | 1,883,000 |
+| [Himalia](https://en.wikipedia.org/wiki/Himalia_(moon)) (largest irregular) | 85 | 11,460,000 |
+
+# Missions to Jupiter
+
+- [Galileo](https://en.wikipedia.org/wiki/Galileo_project) orbiter (1995-2003)
+    - [Encountered asteroid 243 Ida](https://en.wikipedia.org/wiki/243_Ida)
+    - [Observed Shoemaker-Levy-9](https://en.wikipedia.org/wiki/Comet_Shoemaker%E2%80%93Levy_9)
+    - [Dropped an atmospheric probe into jupiter](https://science.nasa.gov/mission/galileo-jupiter-atmospheric-probe)
+- [Juno](https://en.wikipedia.org/wiki/Juno_(spacecraft)) orbiter (2016-now)
+    - Auroras
+    - Magnetic Field
+    - Map atmosphere composition
+- [New Horizons](https://en.wikipedia.org/wiki/New_Horizons#Jupiter_encounter) flyby (2007)
+    - Atmosphere conditions
+    - Photos of moons
+- [Europa Clipper](https://en.wikipedia.org/wiki/Europa_Clipper) orbiter (arrives 2030)
+- [Jupiter Icy Moons Explorer](https://en.wikipedia.org/wiki/Jupiter_Icy_Moons_Explorer) orbiter (arrives 2031)
+
+# Atmosphere
+
+- 1 Pa = 1N/m² = 1kg/(m\*s²)
+- 1 bar = 100,000 Pa
+- Earth sea level: 1.013 bar = 1013 hPa
+
+## Jupiter
+
+- SRC1: [Thermal structure of Jupiter's atmosphere near the edge of a 5µm hot spot in the north equatorial belt](https://doi.org/10.1029/98JE01766)
+
+Based on Figure 27 from SRC1, which has a 1 bar "surface" at 150km:
+
+| Altitude (km) | Pressure (bar) | Temperature |
+| 1000 | 0.000001 | |
+| 950 | 0.0000015 | |
+| 900 | 0.000002 | |
+| 850 | 0.000003 | |
+| 800 | 0.000004 | |
+| 750 | 0.000006 | |
+| 700 | 0.000008 | |
+| 650 | 0.000013 | |
+| 600 | 0.00002 | |
+| 550 | 0.000025 | |
+| 500 | 0.00003 | |
+| 450 | 0.00007 | |
+| 400 | 0.00015 | |
+| 350 | 0.0004 | |
+| 300 | 0.002 | |
+| 275 | 0.005 | |
+| 250 | 0.015 | |
+| 225 | 0.04 | |
+| 200 | 0.1 | |
+| 175 | 0.3 | |
+| 150 | 1 | |
+| 125 | 3 | |
+| 100 | 10 | |
+| 75 | 30 | |
+| 50 | 400 | |
+
+## Io
+
+- Video of Tvashtar volcano: https://photojournal.jpl.nasa.gov/catalog/PIA09665