Which are accurate statements about dark matter? Select the two correct answers.(1 point)
Responses
Scientists have hypotheses about dark matter but need more data to test their ideas.
Scientists have hypotheses about dark matter but need more data to test their ideas.
Scientists are not convinced that dark matter exists.
Scientists are not convinced that dark matter exists.
New data could cause scientists to change their hypotheses about dark matter.
New data could cause scientists to change their hypotheses about dark matter.
Scientists thoroughly understand what dark matter is and what it does.
Scientists have hypotheses about dark matter but need more data to test their ideas.
New data could cause scientists to change their hypotheses about dark matter.
Which characteristic is shared by both dark matter and baryonic matter?(1 point)
Responses
They both interact with each other.
They both interact with each other.
They both have gravity.
They both have gravity.
They both are capable of absorbing light.
They both are capable of absorbing light.
They both have been directly observed by scientists.
They both have gravity.
Select the correct answers from the list(2 points).
Dark matter (does / does not) absorb light, (does not / does) emit radiation, and (has / has not) been observed directly.
Dark matter does not absorb light, does not emit radiation, and has not been observed directly.
The correct statements about dark matter are:
1. Scientists have hypotheses about dark matter but need more data to test their ideas.
2. New data could cause scientists to change their hypotheses about dark matter.
Explanation:
Dark matter is a theoretical form of matter that does not interact with light or other forms of electromagnetic radiation, making it extremely difficult to detect. Scientists have proposed various hypotheses to explain the existence and properties of dark matter, but these hypotheses require further data and evidence to be fully tested and validated. The lack of direct observational evidence has led to ongoing debates and discussions among scientists regarding the nature and existence of dark matter. Therefore, scientists recognize that they do not yet have a complete understanding of dark matter and are open to revising their hypotheses and theories as new data and evidence become available.