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Conceptual photosynthesis with M, K, G, F type stars. Source: "The Color of Plants on Other Worlds" Kerbal TRAPPIST-1 Where Planet Years are only a few Earth Days...more like Jupiter & its large moons. 1.5 b, 2.4 c, 4.1 d, 6.1 e, 9.2 f, 12.4 g, 18.8 h Earth days per "year" This "Topic" is an invitation to join an exploration of the TRAPPIST-1 system ...students, teachers, KSP players all welcome to share fun & significant TRAPPIST-1 related insights... missions you build either for SLIPPIST-1 or TRAPPIST-1, a place to share your explorations of this exoplanet system, contrasts with Jupiter or Pluto moon systems in KSP RSS Principia, e.g. orbit transfers, etc., cool research you discover about this system, remarkable moments encountered while exploring this model system in Kerbal, etc, focus on creating together a fun & educational concentration of information about TRAPPIST-1 & our exploration of it. NASA JPL: TRAPPIST-1 Compared to Jovian Moons and Inner Solar System - Updated Feb. 2018 Observe 'actual' planet transits in Kerbal! For the Principia adjusted version, the epoch start date is "JD2457000.000000000" = UTC Noon Monday 2014 December 08. Here is an excerpt from the Principia GitHub FAQ: a remarkable model of the TRAPPIST-1 system requires x64 KerbalEDU or x64 KSP Created By: @GregroxMun ( SLIPPIST-1 ) & the Principia team @eggrobin & @pleroy ( TRAPPIST-1 for Principia ) source: https://www.eso.org/public/unitedkingdom/images/eso1615e/ source: https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA22096 Save files & Mission links (To_Be_Added): TRAPPIST1_system stationary 1d orbit Jovian system stationary Europa orbit Seven Worlds of SLIPPIST-1, and an Astronomy Lesson on Stars and the Exoplanets around TraPPiST-1 https://imgur.com/gallery/FQHpnE6 At the above link, Gregrox has written a fun & insightful astronomy lesson with some cool details about the beautiful model images of this system...'almost eyeball' planets & all!...a few excerpts: "You get a hot zone, and then progressively cooler zones down to the night side of frigid temperatures and nothing but ice! You'd have a band of scorching desert, a band of rainforests, a band of tundra, and a massive cap of ice. Or if it's colder and wetter, it can look even more eyeball-like, maybe a cracked frozen ice ball like a huge Europa with a circular sea of melted ice. But these don't account for the fact that real tidally locked exoplanets spin. The Coriolis force drives winds that completely change the climate." "Try to figure out the resonant chain in TRAPPIST-1! Just kidding, I'll tell you. It's in a 24:15:9:6:4:3:2 resonance. Neighboring planets are in 8:5, 5:3, 3:2, 3:2, 4:3, and 3:2 resonances" SLIPPIST-1 v0.8.0 Kopernicus Backport 1.4.5-15 KopernicusExpansion 1.7.1-5 modules: KEX-EmissiveFX-1.7.1-5.zip KEX-RegionalPQSMods-1.7.1-5.zip KEX-EVAFootprints-1.7.1-5.zip plus must copy TRAPPIST1 for Principia folder to GameData Download the Trappist-1 for Principia fáry.zip (for SLIPPIST-1 v0.8.0) file, unzip it, and drop the Trappist-1 for Principia folder in the GameData folder of your installation of KSP." SLIPPIST-1 WIP updates note: https://forum.kerbalspaceprogram.com/index.php?/topic/157020-17-seven-worlds-around-slippist-1-v072-update-march-12th-2019/page/3/ add RSSTimeFormatter to display the correct Temp Terrestre for the state of the TRAPPIST-1 system. plus must copy last version of Principia for 1.4.5 = "Fatou" to GameData: if you encounter issues then also see this post