- A
chromosphere ("sphere of color", from the
Ancient Gr****
words χρῶμα (khrôma) 'color' and σφαῖρα (sphaîra) 'sphere') is the
second layer of a star's atmosphere...
-
divided into
three primary layers: the photosphere, the
chromosphere, and the corona. The
chromosphere and
corona are
separated by a thin
transition region...
-
known as a
fibril or mottle, is a
dynamic jet of
plasma in the Sun's
chromosphere about 300 km in diameter. They move
upwards with
speeds between 15 and...
-
coronal loops, and
helmet streamers. The Sun's
corona lies
above the
chromosphere and
extends millions of
kilometres into
outer space.
Coronal light is...
-
evidence of a hot
chromosphere above the
photosphere of red giants,
where investigating the
heating mechanisms for the
chromospheres to form
requires 3D...
- but
sometimes both.
chromosphere chromospheric activity index A
parameter indicating the
magnetic activity in a star's
chromosphere. One
measure of this...
-
magnetic field, lie in the photosphere.
Above the
photosphere lies the
chromosphere. This part of the
atmosphere first cools down and then
starts to heat...
- Lockyer, is
credited with
discovering the
gaseous nature of the
solar chromosphere, but
there is no
justification for the
conclusion that he
deserves credit...
-
prominences contain much
cooler plasma,
similar in
composition to that of the
chromosphere. Like the corona,
solar prominences are only
visible to the
naked eye...
-
transition region is a
region of the Sun's
atmosphere between the
upper chromosphere and corona. It is
important because it is the site of
several unrelated...