Question

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Which statements describe prominences? Check all that apply.

-Prominences are dark, cool areas on the surface of the Sun.

-Prominences are composed of cool, dense gas.

-Prominences can disturb radio communications on Earth.

-Prominences cycle over an 11-year period.

-Prominences are loop shaped.

-Prominences appear in groups.

Answer 1

Correct statements about prominences are that they can disrupt radio communications on Earth and are loop-shaped structures made of cooler and denser gas suspended in the Sun's corona.

Step-by-step explanation:

Prominences are remarkable features associated with the Sun's activity, and among the statements provided, the correct ones are that prominences can disturb radio communications on Earth and prominences are loop-shaped. Prominences consist of plasma, which is a hot ionized gas, but they are cooler and denser compared to the surrounding solar corona. They are indeed loop-shaped when observed, often originating near sunspots and can be seen extending high into the solar corona. Eruptive prominences can release large amounts of matter into space, which can sometimes interact with the Earth's magnetic field, potentially causing disturbances in radio communications and other aspects of space weather.

Answer 2

A prominence refers to a bright, large, gaseous feature projecting externally from the surface of the Sun, usually in a loop shape. Prominences are attached with the surface of the Sun in the photosphere and elongate outwards into the corona of the Sun.

The prominences are related to the discharge of the high energy constituents called a solar flare. These solar flares have been considered to influence electronic communication as their energy blends up the upper atmosphere of the Earth, making the radio transmissions weak and noisy.

Hence, the correct statements are prominences can disturb radio communications on Earth and prominences are loop-shaped.