"SEP"-TEMBER
An advocate of secession
separatist
It describes Shakespeare's pentameter
iambic
Twisted Sister sang, "We're not gonna take" this
It
During the course of 5 spacewalks in May 2009, Shuttle astronauts made repairs to this & installed 2 new instruments
the Hubble Telescope
"To play" this marsupial means to feign death or ignorance
possum
A dividing partition between 2 cavities, like the one between your nostrils
a septum
It is term for each word in clue; ape man good at speak this way
monosyllabic
To spell this animal, just use a hug & a kiss from the bottom of a letter
ox
In 1980 the Voyager spacecraft found that this planet's B ring had radial features called spokes
Saturn
To have this insect's waist means to have a slender waistline
wasp
Don't tank while giving us this adjective meaning "resulting from disease-causing organisms"
septic
It means to construct, or to fake, as in your excuse for being late
fabricate
For Freud it was an unconscious, instinctual force
the id
This constellation is the site of 2 nebulae: the Great Nebula in its sword & the Horsehead Nebula in its belt
Orion
"Two shakes of" this means to move remarkably fast
a lamb's tail
This 3-word doctrine regarding segregation stems from the 1896 case Plessy v. Ferguson
separate but equal
Lewis Carroll coined this term for meaningless words or gibberish
jabberwocky
Meaning "to" in Latin, it can precede "hoc" or "infinitum"
ad
In 1672 Giovanni Cassini & Jean Richer calculated the distance between these 2 objects as 87 million miles
the Sun and the Earth
This exclamation that means "nonsense" is a 1932 Marx Brothers title
horse feathers
Another term for hara-kiri, it's from the Japanese for "cut the abdomen"
seppuku
This gem of a word can precede rattlesnake, terrapin & moth
diamondback
It preceded "MTV Raps" in the title of a TV show
Yo!
The 200-inch mirror of the Hale Telescope on this California peak took some 10 months to cool after casting
Mt. Palomar
An observation area for the flight deck is grimly called this bird's row; crashes are less common now than when it got the name
a vulture