In astrophysics, the Chandrasekhar equation is a dimensionless form of the Poisson equation for the density distribution of a spherically symmetric isothermal gas sphere subjected to its own gravitaional force, named after the Indian American astrophysicist Subrahmanyan Chandrasekhar. The equation reads
Chandrasekhar equation is a type of the Poisson equation used for the density distribution of a spherically symmetric isothermal gas sphere, which could prove highly important in space travel, due to being subjected to its own gravitaional force.
A: It's impossible to say

Shahzad Hasan (also known as Shahi Hasan), is a Pakistani musician, record producer, occasional actor, bass guitarist, backing vocalist and music industry executive. Co-founding the pop and rock band, Vital Signs, with keyboardist Rohail Hyatt in 1986, he earned recognition of playing bass guitar and as an original member of Vital Signs.
Shahzad Hassan is from a European country.
A: No

Ochagavia is a genus of the botanical family Bromeliaceae, subfamily Bromelioideae. The genus is named for Sylvestris Ochagavia, Chilean minister of education. Endemic to southern and central Chile (including the Juan Fernandez Islands), this genus is represented by four accepted species.
This genus is named for the Juan Fernandez Islands.
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No