Soma-6a

02/10/2117


ox / boarder / shine / desolate / impure / attic

Here is my major reason for deviating from the programme: Soma-6a, a planet we barely believed when first we saw it via the Cosmic Origins Spectrograph. That something so coal-black and desolate could exist in such proximity to its star: I can see it absorbing light with my own eyes!

H always preferred the mythologically-inspired names for planets and constellations: he’d tease me about the “scientific imagination” and I’d always take the bait, insisting that science was about everything that was possible.

It’s like some deity is descending their chariot in the heavens, burned irrevocably by the light they bring… that’s the sort of thing he might have said. I’ve stopped wondering what the engineers back home think of me. H and I said we’d make the trip to the ruins at Hari-yúpíyá but we never did.

I’ve turned everything off and I’m just gonna drift awhile: existence without light and death and impurity is lonely.

Black Planet

[delight]

Nasadiya Sukta

(Hymn of non-Eternity, origin of universe):

There was neither non-existence nor existence then;
Neither the realm of space, nor the sky which is beyond;
What stirred? Where? In whose protection?

There was neither death nor immortality then;
No distinguishing sign of night nor of day;
That One breathed, windless, by its own impulse;
Other than that there was nothing beyond.

Darkness there was at first, by darkness hidden;
Without distinctive marks, this all was water;
That which, becoming, by the void was covered;
That One by force of heat came into being;

Who really knows? Who will here proclaim it?
Whence was it produced? Whence is this creation?
Gods came afterwards, with the creation of this universe.
Who then knows whence it has arisen?

Whether God’s will created it, or whether He was mute;
Perhaps it formed itself, or perhaps it did not;
Only He who is its overseer in highest heaven knows,

Only He knows, or perhaps He does not know.

Star Soma-6
Constellation Veda
Right ascension (α) 06h 30m 33s
Declination (δ) +29° 40′ 20″
Apparent magnitude (mV) 11.69
Distance 871[1] ly
(267 pc)
Spectral type G0
Mass (m) 1.35 ± 0.14 M
Radius (r) 1.57 ± 0.07 R
Temperature (T) 6300+200
−100 K
Metallicity [Fe/H] 0.30+0.05
−0.15
Semi-major axis (a) 0.0229 ± 0.0008 AU
(3.43 Gm)
0.086 mas
Periastron (q) 0.0218 AU
(3.26 Gm)
Apastron (Q) 0.0240 AU
(3.59 Gm)
Eccentricity (e) 0.049 ± 0.015
Orbital period (P) 1.091423 ± 3e-6 d
(26.19415 h)
Inclination (i) 83.1+1.4
−1.1°
Argument of
periastron
(ω) -74+13
−10°
Time of transit (Tt) 2454508.9761 ± 0.0002 JD
Mass (m) 1.39 ± 0.04[1] MJ
Radius (r) 1.79+0.09
−0.09[1] RJ
Density (ρ) 326 kg m−3
Surface gravity (g) 1.16 g

 

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