- The
thermosphere is the
layer in the Earth's
atmosphere directly above the
mesosphere and
below the exosphere.
Within this
layer of the atmosphere, ultraviolet...
- The
TIMED (
Thermosphere •
Ionosphere •
Mesosphere •
Energetics and Dynamics)
mission is
dedicated to
study the
influences that
energetics and dynamics...
-
temperature and composition,
namely the troposphere, stratosphere, mesosphere,
thermosphere (formally the ionosphere) and exosphere. Air composition, temperature...
- 1 and 3) have a
linear dependence on air density. Thus, at the
upper thermosphere,
where air
density is very low and
photon flux is high,
oxygen photodissociation...
- the atmosphere,
directly above the
stratosphere and
directly below the
thermosphere. In the mesosphere,
temperature decreases as
altitude increases. This...
-
mainly electrons and protons,
precipitate into the
upper atmosphere (
thermosphere/exosphere). The
resulting ionization and
excitation of
atmospheric constituents...
-
thins out and
merges with
outer space. It is
located directly above the
thermosphere. Very
little is
known about it due to a lack of research. Mercury, the...
- and 4000 km and
pressures of
between 0.1 and 10−10 bar; and the hot
thermosphere (and exosphere)
extending from an
altitude of 4,000 km to
several Uranian...
-
exobase upward,
mainly composed of
hydrogen and helium.
Thermosphere: The top of the
thermosphere is the
bottom of the exosphere,
called the exobase. Its...
- 100 bar (10 MPa) and
temperature of 320 K (47 °C; 116 °F). The
tenuous thermosphere extends over two
planetary radii from the
nominal surface,
which is defined...
