Which of the Following Observations Confirms That Sgr a at the Center

question 122

Multiple Choice

Which of the following observations confirms that Sgr A at the center of our galaxy is indeed a supermassive black hole?

• A)measurements of occasional X- ray emission from Sgr A
• B)measurements of the orbits of stars around Sgr A
• C)measurements of trans- dimensional space warps in the vicinity of Sgr A
• D)measurements of radio emission from gas around Sgr A

---

Definitions:

Evolutionary Changes

Gradual alterations or adaptations in species over generations due to natural selection and environmental pressures.

Domestication

The process by which humans modify the genetic traits of animals and plants to accentuate traits that benefit humans.

Reproductive Potential

The inherent capacity of an organism to produce offspring, determined by factors such as age, health, and environmental conditions.

Core-Fringe-Legume Pattern

An agricultural technique that arranges crops in concentric zones, with a nitrogen-fixing legume at the center, surrounded by tiers of other crops, to enhance soil fertility and productivity.