<span>According to the Doppler effect, objects moving away from Earth would have a redshift. </span>A <span> redshift means that every wavelength becomes longer and if we observe Hydrogen lines that are at a certain position, those will become redshifted.</span>
Answer:
Explanation:
demo.java Shapes 2 Shapes Polymorphism Create a set of classes derived from an abstract class Shape, which provides a common interface, for managing various 2D geometric shapes. In our model, each Java object will represent a shape somewhere in a Cartesian coordinate system. However, note that unlike in Mathematics, the positive y-axis grows down from the origin. Shapes All shapes have the following properties: color, area, perimeter, location, and bounds. Shapes are mutable, for example any shape can be moved.
Answer:
Hacking.
Explanation:
Breaking into other systems sounds like hacking.