Why Were the Mass and Density of Pluto Unknown Until

question 42

Essay

Why were the mass and density of Pluto unknown until Charon was found?

---

Definitions:

Diffusion of Responsibility

A phenomenon where individuals are less likely to take action or feel responsible in the presence of a large group of people.

Prosocial Behaviour

Voluntary behavior intended to benefit another, such as helping, sharing, or providing comfort, which is motivated by empathy, moral principles, or a desire for social approval.

Mob Violence

Acts of aggression and violence carried out by a large group of people acting together.

Bystander Effect

The bystander effect is a social psychological phenomenon where individuals are less likely to offer help to a victim when other people are present.