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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

Welcome to the Gene's Star Remaster Mod. This is an attempt to remaster the Barnard's Star analog mod for later versions, and to give to compatability settings to effectively work alongside other star system mods such as Galaxies Unbound. The pack is focused around a single star system. There are 27 bodies included in the final package. All of the planets are getting new textures alongside EVE and Scatterer Support. A few of the bodies in the mod are being remade to better support realism and make the mod more interesting and the system more appealing. Discord Download: Spa

I always thought that with the use of ions and gravity assist that an exoplanet mission wasn't too far out of the question. So I gave it a try and... Big thanks to @AndrewDrawsPrettyPictures for making the Extrasolar system pack which is used to add the exoplanet into the game. You did a very good job with everything, from the design to the visual enhancements.

I know, I know, I've been inactive lately (but I do stalk here from time to time). Anyway, I woke up to some pretty great news! Ross 128 has a planet!! First up, a while back, Ross 128 emitted signals (not alien), and here's the link to that http://www.space.com/37579-weird-radio-signal-ross-128-star-satellite.html I also believe there's a forum thread somewhere? But into the star! Ross 128 is a pretty calm star, with about 15% of the mass, and 20% of the radius of the Sun. It also has a much lower luminosity, meaning the habitable zone is very close in. The planet in quest

Recently, there has been much interest in Sol's closest known stellar neighbor, Proxima Centauri (4.224 light years away), owing to the August 2016 discovery of a near-Earth-sized terrestrial planet orbiting it within its "habitable zone," an orbital range within which the temperature could allow liquid water. However, some more recent analyses suggests that, the planets exposure to high-energy ultra-violet radiation probably means: No Earth-like atmosphere for Proxima b. Even more fascinating, just yesterday it was reported that ALMA discovered dust belts and an 'unkown source' ar

Recently, I was scouring about the internet and I realized how exoplanets are quite varied, from near-moon sized ones to some about half the size of the sun (Those ones of course might be brown dwarfs.) and I feel like we need some way to categorize them. So here are my ideas of some categories and their abbreviations. I'll be using new and some traditional planet categorizations to make this as wholesome as possible. (I'm going to be using the word planet instead of exoplanet because it's easier to abbreviate that way, anyways...) Terrestrial Planets (TrP) - A planet that is made of mos

So, this thread is all about exoplanets, their discoveries, or if they rain glass... Credits: NASA Ames/SETI Institute/JPL-Caltech (Kepler-186f) So, on the blue HD 189733b it rains molten glass and has wind speeds of over 7,000 kmph (4350 mph). Making it so it doesn't just rain molten glass, but rains sideways; and has a atmospheric temperature of over 1,000 degrees C (1,830 degrees F)

What struck me when reading about the "super-Earth" type of exoplanet is that many people seem to assume these planets are either like terrestrials in our Solar system, or mini-Neptunes/Gas Dwarfs. Reading more about this struck me as I realized an "in-between" exoplanet type probably exists and many of the superterrestrials discovered to this date. These two papers https://arxiv.org/abs/1606.08088 https://arxiv.org/abs/1311.0329 are rather enlightening on this matter. For example of what struck me: Also, on Wiki This basically suggests that there is a class of planet that:

There was a book series I read when I was younger called Pendragon. One of the books took place on an Earth-like world called Eelong which, instead of a normal sun, had a bright band (called a "sunbelt") that stretched from the northern horizon to the southern one, and still had a normal day/night cycle. Obviously it's not hard sci-fi, but I was wondering if something like that could actually exist in the real world somewhere. Perhaps the planet orbits a pulsar, and the sunbelt is the bright beam of radiation that constantly spews from its poles. Is there are scientific basis to this? Any