*This is an animation!*
*Captions has details.*
[Astronomy]Timeline of an B-type Star - Planetball
This is about the evolution of a Sirius B-like star and its planets.
You can go to [ Ссылка ] to learn about “B-type”
Note: the main-sequence period is somewhere between 80 My~150 My, here I set 130 My(^-2.5)
The radius is calculated about 3.6xSun(In zero age)

Music used:
Kevin MacLeod - Stages of Grief
Jay Marino - We Are Family
Toby Fox - Death by Glamour
Kevin MacLeod - Deuces
Toby Fox - Patient

21 is a good number, because 3*7=21.

Planetballs are basically same to polandballs, the only difference is the character, not countries, but space objects including stars, planets, moons and even galaxies.

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