Because the Hubble Constant Has a Value of 70 Km/s/Mpc

question 30

Short Answer

Because the Hubble constant has a value of 70 km/s/Mpc, a galaxy with a recession velocity of 21,000 km/s must be _______________ Mpc from Earth. (Express your answer as a whole number of Mpc)

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Definitions:

Skin Lesion

Any abnormal change in the skin's color or texture, often a sign of disease or injury.

Macule

A flat, distinct, discolored area of skin less than 1 centimeter wide that does not involve any change in the thickness or texture of the skin.

Melanoma

A type of cancer that develops in the pigment-producing cells known as melanocytes, often manifesting as a mole with an irregular shape, size, or color.

Color Varies

Indicates that the color of an object or substance can change under different conditions or in different instances.