What part of a comet points directly away from the Sun?

### The plasma tail

## Step1: Understanding the Structure of a Comet### A comet is a celestial object composed of a nucleus of ice and dust, a coma (a cloud of gas and dust), and two tails: the ion tail and the plasma tail. The tails are formed when the comet gets close to the Sun, and the heat causes the ices in the nucleus to vaporize.## Step2: Identifying the Direction of the Tails### The ion tail points directly away from the Sun due to the solar wind, which is a stream of charged particles ejected by the Sun. The plasma tail, which is the inner part of the tail closest to the comet, also points away from the Sun.## Step3: Determining the Specific Tail### Among the two tails, the plasma tail is the part that points directly away from the Sun. This is because the plasma tail is composed of ionized gases and is influenced by the solar wind, causing it to point in the direction opposite to the Sun.