Climate Change: Not a Hoax

Climate Change

Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time (i.e., decades to millions of years).

The Earth’s climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era — and of human civilization. Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

Dr. George Carruthers: NASA

Scientist George Carruthers created inventions, such as the ultraviolet camera, or spectograph, which was used by NASA in the 1972 Apollo 16 flight, revealing the mysteries of space and the Earth’s atmosphere.

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Katherine Johnson: NASA/Science

A pioneer in the space industry, Johnson witnessed and played a critical role in some of the most historic moments of American space flight. Katherine Johnson was born in 1918, to a poor family in West Virginia. Her father was a farmer and worked extra jobs as a janitor and her mother was a teacher. Even though he quit school after the sixth grade, he considered education of paramount importance.

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 Katherine Johnson talks about Langley’s quota for black female mathematicians and how she waited for a job opening.

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