The Idea of Dark Matter Arose to Explain Gravitational Effects

question 72

Multiple Choice

The idea of dark matter arose to explain gravitational effects observed in galaxies and clusters of galaxies.However,studies of the early universe (especially of the cosmic microwave background and of chemical abundances) also tell us something about dark matter.What do they tell us?

• A)They add further support to the idea that dark matter really exists and is made of non-ordinary (nonbaryonic)matter,such as WIMPs.
• B)They do not support the conclusion that dark matter is the dominant form of matter in the universe.
• C)They tell us that dark matter probably exists,but that it must be made of ordinary (baryonic)matter in the form of MACHOs.
• D)They tell us that dark matter was produced during the era of nuclei.

---

Definitions:

Sustainability

Involves meeting the needs of the present without compromising the ability of future generations to meet their own needs, often focusing on environmental, economic, and social dimensions.

Business Strategies

Are comprehensive plans developed by organizations to achieve specific goals and objectives in a competitive market.

Organizations

Groups or entities comprising multiple individuals working collectively towards common goals or objectives, structured in a system of roles and responsibilities.

Stakeholder Assessment

A process to evaluate the interests, influence, and implications for all parties with a vested interest in a project or business decision.