The Center of the Galaxy Has Been Studied Extensively Using

question 10

True/False

The center of the galaxy has been studied extensively using visible light.

---

Definitions:

1/1,000,000

A mathematical fraction denoting one part per million (ppm), often used to measure concentration levels in chemistry and environmental science.

Denominator

The denominator is the bottom part of a fraction, used to calculate a part of a whole.

Fraction

A numerical expression of the number of portions of a whole by using the number of portion over the designated whole number, as in 1/8 or “one-eighth.”