This astronomer discovered Pluto.
Clyde Tombaugh
Pluto takes this many earth years to complete one orbit of the sun
248 years
This moon, half Pluto's size, forms a binary pair with it.
CHARON.
Pluto's famous bright, heart shaped feature is known as,
Sputnik Plantitia.
This spacecraft made the first flyby of Pluto in 2015
New Horizons
Pluto is found in this region filled with icy bodies beyond Neptune
Kuiper belt
A day on PLuto lasts about this long
6.4 earth days
Besides Charon, Pluto has 4 small moons. Name any two.
STYX
NIX
Kerberos
Hydra
This ice rich plain within the heart is composed mostly of what element.
Nitrogen
New Horizons revealed Pluto's complex terrain, including mountains, plains, and hazes evidence of this type of activity
Geologic.
Pluto's diameter is 2377 Km. is roughly 2/3 the size of this object.
The Moon.
Pluto's orbit shape is more oval than circular. What do we call this shape.
Elliptical
Pluto and Charon orbit a point in space between them. this makes them this rare type of system.
DOUBLE DWARF PLANET BINARY SYSTEM.
Ancient impacts carved these circular depressions across Pluto's frozen surface.
Craters.
The IAU removed Pluto from the list of planets in 2006. WHY?
Failure to clear it's orbit.
Pluto's reddish tint comes from these sunlight created organic compounds.
Thiolins.
Pluto rotates on it's side, thanks to extreme axial tilt. What is the tilt.
120 degrees.
Named after a mythological sea serpent, this moon is one of Pluto;s outermost.
HYDRA
Water ice forms mountain ranges on Pluto because it behaves like this at extremely low temperatures.
ROCK.
Voyager 2 will pass Pluto in the year 2027.
True or False.
FALSE.
Pluto's average temp is roughly - 375 F. What is this in degrees Celsius?
-225 C
During part of its orbit Pluto briefly comes closer to the sun than this planet
Neptune.
The smallest of Pluto's known moons, this one shares its name with a river of the underworld.
Styx
Smooth plains on Pluto indicate this planetary behavior.
Geological Activity.
This is the official term for the category Pluto belongs to .
DWARF PLANET.