Venus is about the same size and weight as this planet.
Earth
Venus is the hottest planet because its atmosphere traps this.
heat
Venus is the _____ planet from the Sun.
second planet
People have observed Venus since this time.
ancient times
Venus was named after the Roman goddess of this.
love and beauty
Venus belongs to this group of rocky planets.
terrestrial planets
The atmosphere of Venus is mainly made of this gas.
carbon dioxide
One year on Venus lasts this many Earth days.
225 Earth days
Scientists began learning much more about Venus in this decade using radar and spacecraft.
1960s
After the Moon, Venus is the most brilliant natural object in this location.
night sky
Venus has no known natural satellite, also called a _____.
moon
Thick clouds cover Venus all the time. TRUE OR FALSE
true
Venus takes this many Earth days to complete one rotation.
243 Earth days
This spacecraft flew by Venus in 1962
Mariner 2
Venus is the closest planet to this planet.
Earth
Scientists believe Venus has these three layers.
metal core, rocky middle, and crust
The surface temperature of Venus is about this many degrees Fahrenheit.
867°F
A day on Venus lasts about this many Earth days.
117 Earth days
This spacecraft became the first to land on another planet.
Venera 7
More than this many unmanned spacecraft have visited Venus.
20
The diameter of Venus is about this many miles.
7,500 miles
Venus is hot enough to melt this metal.
lead
Venus is unusual because the length of its day is very different from this.
the time it takes to complete one rotation
This spacecraft mapped Venus' surface in detail during the 1990s.
Magellan
Scientists are fascinated by Venus because it is so similar to Earth in size but very different in these conditions.
environment and climate