upper atmosphere
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
From orbit, scientists can identify chemicals in the upper atmosphere, including ammonia, methane, ammonium hydrosulfide, water, and carbon monoxide.
From Science Daily
When a solar storm hits Earth, it causes the upper atmosphere to expand and thicken, increasing drag on satellites.
From Science Daily
In this case, the solar wind can knock charged particles loose from Earth's upper atmosphere.
From Science Daily
The escaping helium originates from the planet's extended upper atmosphere, known as the "exosphere."
From Science Daily
This form of radiation affects the chemistry and temperature in Earth's upper atmosphere, but it is not a direct cause of the long-term warming trend near the planet's surface.
From Science Daily
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.