#Eccentricity

WordofTheHourwordofthehour
2025-03-18

: deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

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2025-03-07

Small #planets have nearly circular orbits, while giant planets have orbits about four times more elliptical.

The finding points toward two different pathways by which large and small planets form.

The #eccentricity split coincides with several other iconic features in the #exoplanet population, such as the high abundance of small planets over large planets and a tendency for giant planets to form only around #stars enriched in heavy elements.

#astronomy #exoplanets
astrobiology.com/2025/03/small

2025-01-26

Planet-planet scattering plays an important role in the dynamical evolution of planetary systems and can reproduce the #eccentricity distribution of #exoplanets.

But it can also contribute to the current census of free floating #planets.

In general, 40−80% of the planets are ejected from the system experiencing planet-planet svattering depending on the number of planets initially in the system.

The process favours ejections of less massive planets.

astrobiology.com/2025/01/prope

2025-01-22

Transiting #Exoplanet Survey Satellite is not only good at detecting #exoplanets.

Here are 11 new transiting brown dwarfs and very low-mass #stars from #TESS consisting of 5 brown dwarf companions and 6 very low mass stellar companions ranging in mass from 25 to 128 Jupiter masses.

The #eccentricity distribution for the transiting brown dwarf sample does not support previous claims of a transition between planetary and stellar formation at ∼42 Jupiter masses.

astrobiology.com/2025/01/11-ne

Wif Stengerwifsten@mas.to
2024-12-23

@Setok sounds like a bit of a loose cannon... amazing that he survived all that and lived to be 89

"In retirement, his #eccentricity continued. He startled train guards and passengers by throwing his briefcase out of the train window each day on the ride home. He later explained that he was tossing his case into his own back garden so that he would not have to carry it from the station."

#militaryhistory

2023-12-13

Elegant Dance Portraiture in a Dazzling Studio

Take a step into the world of dance with this breathtaking portrait Capturing the essence of elegance and eccentricity in a stunning dance studio

See More Seeds: aidyslexic.raupulus.dev/collec

#StableDiffusion #ai #ArtificialIntelligence #dance #portrait #elegance #eccentricity #studio #photography #professional #Karl-Blossfeldt

2023-02-27

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

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2023-02-20

Repeating a question posed by Érdi Gergő initially on why the daylight in Singapore is already more than 12 hours before the equinox, we are now surprised to see the daylight length is always more than 12 hours in Singapore. Why is this? Equatorial bulge? 1⁰N and the right eccentricity?

#orbiting #eccentricity #equinox #astronomy #askmastodon #spacescience

2023-01-26

I use this chart as template for when I want to see a particular proxy for #paleoclimate in the bigger context of Earth's #climate factors. Because I add many and varying #proxy records to this template, they need to fit either y-axes. So all records get re-scaled. The individual formula is given in brackets () in the legend, eg., (*10000, /20, +2).
The x-axis is kiloyear ky before present BP (BP is 1950), data resolution is in centuries.

The background of the chart is always the #Milankovic cycles: #Eccentricity as black area, #obliquity / tilt in pink and climatic #precession favoring North in gold and favoring South in darker rosé.
Standard curves are CO2 (gray), CH4 (dark magenta), and sealevel (light blue). CO2 and CH4 are at home on the left y-axis, by the way. Virtually all other proxies end up to be at home on the right hand y-axis.

When I add a proxy from the Southern hemisphere, I usually choose a red-ish colour, and gold-ish for proxies from the NH. Exception to the rule is the tropical South American glacier index "TEG" in white.

Sources for the standard items in this chart are:
- #Milankovic cycles from Laskar 2004 / 2010 vo.imcce.fr/insola/earth/onlin
- #SeaLevel (light blue) from Miller 2020 science.org/doi/full/10.1126/s
- #CH4 #methane (dark magenta) from Loulergue 2008 ncei.noaa.gov/access/paleo-sea
- #CO2 (gray) from M. Yamamoto 2020 ncei.noaa.gov/access/paleo-sea

Non-standard proxies in this version for the #tegtmeier thread on modern humans :
- #d18O (magenta) for sea surface temperature in the South Atlantic from Starr 2020 (published January 2021) nature.com/articles/s41586-020
- #Glacier index TEG (white) from Rodbell 2020 nature.com/articles/s41586-022
- ºC in subtropical Africa from Chevalier 2021 pubs.geoscienceworld.org/gsa/g

I use #LibreOffice #Calc.

#TegtmeierBasics

Chart shows Earth's climate factors evolving over 350,000 years. Depicted in this version are 
- the Milankovic cycles 
- sea level 
- glacier spread in South America 
- sea surface temperature at a point 1100km south of South Africa 
- CO2 and CH4
- and temperature in subtropical Africa

Broadly speaking, all proxies in this timeline do follow Milankovic's drumbeat.

Notably tho, CH4 has a few special peaks, seemingly unrelated to precession and tilt.

And sea surface temperature in the Atlantic's deep South also skipped a few beats.
2023-01-10

There's such a thing as oppressive #eccentricity from those you live with which can feel like #abuse . Consistant behaviour which makes demands of you or is just wearing, day-to-day. In can intersect with mental health issues which is tricky but I'm making the distinction of people robbing you of quiet, peace and normalcy because of the oddness of how they live. Kramer helping himself to Seinfeld's stuff. S makes allowances for his friend. In reality it takes a person to a depressive limit.

2022-10-25

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

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2022-08-26
@davidzinn_art@twitter.com:
Counter-intuitively, all of Jessie’s social anxiety disappeared when she started wearing the squid hat. #StreetArt #SidewalkChalk #graffemera #cat #eccentricity #cephalopoise
2022-06-22

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

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Joe Renaudspacetides
2022-04-27

Now is a kind of and energy has to come from somewhere! It turns out that tides have the unique ability to extract energy trapped in a planet/moon's and/or and transform it into internal heat!

Over millions of years this effect is powerful enough to alter a planet/moon's orbital distance, (how elliptical an orbit is), rotation rate (how long a planet's day is), and more. This has actually happened to Earth and our Moon! But we will get back to that.

2022-02-17

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

------------

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2021-10-15

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

------------

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2021-06-12

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

------------

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2021-02-07

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

------------

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2020-10-05

#eccentricity : deviation from the customary line of conduct

- French: excentricité

- German: die Exzentrizität

- Italian: eccentricità

- Portuguese: excentricidade

- Spanish: excentricidad

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