Volatility is a synonym of ephemerality.

As nouns the difference between volatility and ephemerality

is that volatility is the state of being volatile while ephemerality is (uncountable) the state or condition of being ephemeral; transience.

As a noun pole

is originally, a stick; now specifically, a long and slender piece of metal or (especially) wood, used for various construction or support purposes.

As a verb pole

is to propel by pushing with poles, to push with a pole.

As an adjective poleward is

towards the pole of a planet.

As an adverb poleward is

towards the pole of a planet.

As nouns the difference between airglow and nightglow

is that airglow is a faint illumination in the night sky due to photochemical luminescence in the upper atmosphere while nightglow is an airglow at night.

As a proper noun night

is (paganism) the goddess of the night in heathenry.

As a noun nightglow is

an airglow at night.

As a noun exosphere

is exosphere (layer of the earth's atmosphere).

As an adjective exospheric is

of or pertaining to an exosphere.

As proper nouns the difference between germany and usedom

is that germany is (geography) the central european state formed by west germany's 1990 absorption of east germany, with its capital in berlin while usedom is an island in the baltic sea on the border between germany and poland.

As nouns the difference between magnetosphere and magnetosheath

is that magnetosphere is magnetosphere while magnetosheath is (astronomy) the region of space between the magnetopause and the bow shock of a planet's magnetosphere.

As adverbs the difference between away and antisunward

is that away is from a place, while antisunward is away from the sun.

As adjectives the difference between away and antisunward

is that away is not here, gone, absent, unavailable, traveling; on vacation or away can be while antisunward is away from the sun.

As an interjection away

is (northern england) come on!; go on!.

As an adjective antisunward is

away from the sun.

As an adverb antisunward is

away from the sun.

As a noun planetography

is (astronomy) the branch of astronomy concerned with the description of the physical features of planets.

As an adjective planetographic is

of or pertaining to planetography.