- #1
Martin Sallberg
- 20
- 0
Are there any high resolution observations of the gravitational lensing by dark matter, good enough to determine if dark matter is clumped or spread out at small scales?
Dark matter is a type of matter that makes up approximately 85% of the total mass of the universe. It does not interact with light, making it invisible to telescopes and other instruments. Its presence is inferred through its gravitational effects on visible matter.
High resolution observations allow us to map and study the distribution of dark matter in different areas of the universe. By observing the gravitational lensing effects on light from distant objects, we can create maps of where dark matter is located and how it is distributed.
There are several techniques used to make high resolution observations of dark matter, including gravitational lensing, galaxy rotation curves, and the study of cosmic microwave background radiation. These techniques allow us to indirectly observe the effects of dark matter on visible matter.
High resolution observations provide strong evidence for the existence of dark matter. The observed distribution of dark matter through gravitational lensing and other techniques cannot be explained by visible matter alone. Additionally, these observations are consistent with predictions from theories about the nature of dark matter.
Future advancements in technology and techniques, such as the use of more powerful telescopes and advanced data analysis methods, will allow us to make even more detailed and precise observations of dark matter. These advancements will help us gain a better understanding of the properties and behavior of dark matter, and potentially lead to new discoveries about the nature of the universe.