Use the redshift and distance chart to answer the following…

Use the redshift and distance chart to answer the following questions.   An active galaxy appear to have Z~ 3.5. How far was this object at which we see the object? Explain how you have arrived at that answer. How far is this object today? Is this object likely to be an active galaxy today? Explain your answer. 

The image shows the Sun, zoomed in to show grain like patter…

The image shows the Sun, zoomed in to show grain like patterns. What is the name of these patterns, the surface features apparent in the zoomed in image at the lower right? Explain the mechanisms to create these patterns on the solar surface. What causes the color difference to show this surface features.