What kind of astronomy does your instructor do? O Radio O Wicca O Cosmology O Optical O High-energy Describe how and why the lunar phases exist. Why don't lunar/solar eclipses happen every full/new moon? Edit View Insert Format Tools Table 12pt Paragraph B I U AVT²v | : I 5 pts Α What is required for an object to emit visible light all on its own? (That is, not considering reflecting light from another source.) What is the specific name of the shape that this emission takes when plotted? Edit View Insert Format Tools Table 12pt Paragraph B I I AV 2 T² ⠀