Celestia Forums

https://en.wikipedia.org/wiki/WR_140#cite_note-aa2022-11 WR140.png WR Period (P) 7.9241 yr Semi-major axis (a) 8.30 Eccentricity (e) 0.9012 Inclination (i) 119.4 Mass 8.4 M☉ Luminosity 537,000 L☉ Temperature 70,000 K O Mass 20.5 M☉ Radius 35 R☉ Luminosity 1,600,000 L☉ Temperature 35,000 K https://ar...

GAIA

2025 => DR4

2030 => DR5

celestia 1.7.0 versions 64 bit TEST

version 1.0 01/01/2022 => "bubble" of stars at ~913 light years.

version v1.1.1 03/03/2022 ty !

Toggle display of "frames per second" (FPS) being rendered

test

celestia.exe 669 Kb => full écran 1600x900 +100 fps (not Orbit)

celestia-qt.exe 997 Kb => full écran 1600x900 +80 fps (not Orbit)

okay

Celestia 1.7.0 64 bits (test) :wink: + = error to Download celestia.exe English + vcruntime140.dll + vcruntime140_1.dll + msvcp140.dll celestia-qt.exe french + msvcp140_1.dll windows 10 directX 12 AMD Athlon(tm) II X2 215 Processor 2.70 GHz RAM 4 GB OpenGL Version: 3.3.0 Vendor: NVIDIA Corporation R...

yes Ctrl+V TEST CPU => yes intel(R) core(TM)2 6320 @ 1.86GHz GPU => not https://en.wikibooks.org/wiki/Celestia/Render_Paths [*] Basic => yes :wink: [*] Multitexture => not [*] OpenGL Vertex Program => not [*] OpenGL Vertex Program/Nvidia combiners (only on Nvidia graphics cards) => not [*] OpenGL 2....

hi :hi: cesletia 1.6.2.2 version OpenGL 1.1.0 version windows 10 32 bits 2001 to 2021 20 year :biggrin: i am french :wink: https://pbs.twimg.com/media/EtPg4iJXMAEyUVA?format=jpg&name=large https://pbs.twimg.com/media/EtPlwlkXIAETGJW?format=png&name=small

https://arxiv.org/abs/1803.04543 Possible Bright Starspots on TRAPPIST-1 The M8V star TRAPPIST-1 hosts seven roughly Earth-sized planets and is a promising target for exoplanet characterization. Kepler/K2 Campaign 12 observations of TRAPPIST-1 in the optical show an apparent rotational modulation wi...

https://arxiv.org/abs/1801.02554 Early 2017 observations of TRAPPIST-1 with Spitzer To further advance our understanding of these planets' compositions, energy budgets, and dynamics, we are carrying out an intensive photometric monitoring campaign of their transits with the Spitzer Space Telescope. ...

https://arxiv.org/abs/1712.02189 Dynamics of "jumping" Trojans: perturbative treatment The term "jumping" Trojan was introduced by Tsiganis et al. (2000) in their studies of long-term dynamics exhibited by the asteroid (1868) Thersites, which had been observed to jump from librat...

https://arxiv.org/abs/1710.08761

Magma oceans and enhanced volcanism on TRAPPIST-1 planets due to induction heating

https://www.aavso.org/aavso-alert-notice-532

https://fr.wikipedia.org/wiki/KIC_8462852

wow !

http://forum.celestialmatters.org/viewtopic.php?f=2&t=901 :wink: sagitterius_A.stc "sgr A:Sagittarius A" { RA 266.404167 Dec -28.936111 Distance 27720.000000 AppMag 25 SpectralType "?" Radius 44000000 #black Hole (63 R_sun) mass 4060000 #M_Sun } Barycenter "Sagittarius A...

https://arxiv.org/abs/1704.02261 Plausible Compositions of the Seven TRAPPIST-1 Planets Using Long-term Dynamical Simulations TRAPPIST-1 is a nearby ultra-cool dwarf that is host to a remarkable planetary system consisting of seven transiting planets. Here we perform many thousands of N-body dynamic...

https://arxiv.org/abs/1703.04166 36 pages 18.764 days 0.715 Earth radii SemiMajorAxis 0.059 Epoch 2457662.55482 "h" "TRAPPIST-1" { Radius 4555 # radius of 0.715 Earth radii Mass 0.377359 # from mass-radius relationship Texture "asteroid.*" EllipticalOrbit { SemiMajorAxi...

# -- R G B {0-1}, normalized, mapped to gamut, logrithmic # (sRGB primaries and gamma correction) # sRGB D65 whitepoint replaced with a D58 [0.3281, 0.3392] # # -- r g b {0-255} # # -- sun Spectral classification G2V (5777k) 2 deg (yellow) R G B R G B DR65 => 1.0000 0.8836 0.8000 255 241 231 (5800k)...

http://www.vendian.org/mncharity/dir3/blackbody/ Update (2016-Mar-30) : For most applications where a human is looking at a screen, and thus judging colors against screen white, a nonstandard but white D58 whitepoint is preferable to a standard but bluish D65 whitepoint. ancien Blackbody color dataf...

TiberiusGracchu

Ctrl + V => OpenGL graphics driver