planets   2997

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A measured approach - The Economist - Blendle
As astronomers have catalogued planets found by TESS and other instruments, they have spotted both patterns and puzzles. There are, for instance, lots of super- Earths and lots of mini-Neptunes. But there is a gap between them. Few planets are known that have between one-and-a-half times and twice the diameter of Earth.

This so-called “Fulton gap” —named after Benjamin Fulton, a PhD student who noticed it in 2017—could have several explanations. Possibly, planets on either side of the gap are different sorts of object. Super-Earths might be born from dust and rocks, and be kept small by a lack of suitable material from which to grow, while mini-Neptunes, constructed of commoner materials such as ice, can grow much larger. Alternatively, all planets may form in the same way, as mini-Neptunes with 12 rocky Earthlike cores surrounded by thick atmospheres of hydrogen and helium. Some, though, may subsequently have most of their atmospheres blown away by the radiation from their parent star, a process known as photoevaporation.
astronomie  planets  science  TESS 
15 days ago by dominomaster
Planets Solar System Poster
Useful for trying to re-create the bookmark
useful  tattoos  images  planets 
6 weeks ago by beckymonster
eleanorlutz/topography_atlas_of_space: Code and instructions for making topographic maps of planets and moons
Code and instructions for making topographic maps of planets and moons - eleanorlutz/topography_atlas_of_space
cartography  astronomy  planets  visualization  python 
9 weeks ago by kwbr
Topographic Maps of Planets andMoons
Beautiful visualization comes with data and source code
planets  moons  hillshading  dem  tootme  visualization 
9 weeks ago by nelson
Two potentially life-friendly planets found orbiting a nearby star
“We will eventually see if they are actually habitable and, perhaps, even inhabited,” astronomers predict.
dwarf  earth  exoplanets  exploration  extraterrestrial  habitable  life  planets  red  space  star  stars  teegarden's  zone 
9 weeks ago by xer0x
Twitter
本日の周庭さんを招いた緊急生放送は、香港の情勢が緊迫しているので全編無料公開することにしました。

ぜひ放送を見て、香港の人々の声に耳を傾けてください。

#ハンプラ
チャンネル
PLANETS  from twitter_favs
10 weeks ago by ocelot
An Orbit Map of the Solar System
This week’s map shows the orbits of more than 18000 asteroids in the solar system. This includes everything we know of that’s over 10km in diameter - about 10000 asteroids - as well as 8000 randomized objects of unknown size. This map shows each asteroid at its exact position on New Years’ Eve 1999. All of the data for this map is shared by NASA and open to the public.


Really lovely stuff!
astronomy  dataviz  map  space  visualization  asteroids  planets  posters  moons  solar-system 
10 weeks ago by jm
Rebuilding the Solar System with CSS by Rob DiMarzo on CodePen
Let's build the planets in our solar system — complete with their relative rotation speed, tilt, and other photorealistic goodies — using only CSS!
codepen  css  planets 
11 weeks ago by skinna123
Rebuilding the Solar System with CSS
Let's build the planets in our solar system — complete with their relative rotation speed, tilt, and other photorealistic goodies — using only CSS!
fridayfrontend  css  cssbasics  planets 
11 weeks ago by spaceninja

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