In the above visible + near infrared image, the white color is the ______, the red color is the __________, and the lack of white color (or black color) sandwiched between the upper white half-moon shape and the lower white half-moon shape is _________________.
A) star, jet, the infrared part
B) disk, Herbig-Haro object, empty space
C) surface disk, jet, the dense dust disk
D) None of the other choices are correct.

Question

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In the above visible + near infrared image, the white color is the ______, the red color is the __________, and the lack of white color (or black color) sandwiched between the upper white half-moon shape and the lower white half-moon shape is _________________.
A) star, jet, the infrared part 
B) disk, Herbig-Haro object, empty space 
C) surface disk, jet, the dense dust disk 
D) None of the other choices are correct.

Quizplus · Accepted Answer

The image shows a surface disk in white color, which is the densest part of the disk, a red jet coming out of the disk, and the lack of white (or black) color sandwiched between them is the area where there is a gap in the dense dust disk. Therefore, option C is the correct choice.

​ In the Above Visible + near Infrared Image, the White

In the Above Visible + near Infrared Image, the White