Mercury
which planet is closest the Sun?
Mercury
which planet orbits the Sun the fastest
Mercury
how many moons does Mars have
2
T or F most other planets are covered in water as Earth is
False
what is pangea
The original supercontinent
what kind of seasons does Mercury have?
none
which planet is so bright it is often reported as a UFO?
Venus
does Mars have liquid surface water today
no
what are the names of the three main layers of earth
crust
core
mantel
the highest mountain on earth is
everest
What cause Venus to be so hot?
greenhouse gas effect
on Venus what are used to name geographic surfaces features
Love goddesses
-famous women who have been dead for 3 or more years
-James Clerk Maxwell.
is there evidence of ancient flooding on Mars
yes
why does Venus shine so bright?
It is covered in clouds that reflect the Sun’s light.
the magnetic poles drift about ____ miles per year
25
Earths magnetic field is believed to be generated by its liquid ____ - _______ core
iron - nickel
how do geologists determine earth structure and composition
seismic waves
how fast do continents move
1 in per year
Venus rotation is often reffed to retrograde, what does that mean?
rotation from E to W
when does Mars look the brightest
During opposition
robots on Mars have found evidence of past flowing water in
Rocks, minerals, geologic landforms
true or false earth's first atmosphere was the same as it is now
false
what does Earth air today contain
-78% nitrogen, 21% oxygen, 1% argon/carbon dioxide/ other gases
-water vapor, dust, carbon monoxide
-chemical products of industry, microorganisms
in what form is there water on Mars today
solid and vapor
describe the moons of Mars
Small, irregularly shaped, rock chunks