An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star?
It is larger than the second star.
It is smaller than the second star.
It is older than the second star.
It is younger than the second star.
yall are dumb my questions dont say that is a answer
To determine which of the given options is a valid conclusion about the first star, we need to analyze the information provided. Both stars are equally far from Earth, but the first star is brighter than the second star.
The brightness of a star is determined by various factors, such as its size, temperature, and distance from an observer. In this case, since both stars are equally far from Earth, the difference in brightness must be due to their intrinsic characteristics (i.e., size and temperature).
Based on this information, we can conclude that the first star is larger than the second star. A larger star typically has a greater surface area, which allows it to emit more light and appear brighter to an observer. Therefore, the valid conclusion is:
- It is larger than the second star.