Page 239 - DK Children's Encyclopedia
P. 239
Space travel SEE ALSO
▸ ▸ Astronauts p.31
▸ ▸ Moon p.171
Space travel is how we explore the solar system ▸ ▸ Exploration
and learn about our place in the universe. Most space pp.180–181
travel is done using robot spacecraft called probes. ▸ ▸ Radio p.203
The farthest in space that humans have traveled ▸ ▸ Robots p.212
themselves is to the moon. ▸ ▸ Solar system
p.233
Humans in space
To get into space, people use super-
powered spaceships. Space shuttles like
Atlantis were used to take people into
The outside fuel space for 30 years. Now people use It takes a
tank is filled with
liquid hydrogen and the Russian Soyuz spacecraft. robot spacecraft
oxygen to power about six months to
the shuttle’s travel to Mars.
engines.
Solar cells use
the sun’s power
to make the
probe work.
Juno probe
Astronauts
sit in the
cockpit.
Magnetometer
measures
magnetic fields.
Robots in space
Probes gather data using cameras,
magnetometers, and radars, then
send the data back to Earth.
This booster
rocket gives
extra power. Extreme environment
Space is not an easy place for people to be in.
It can be both extremely hot and cold. There
are dangerous rays from the sun and there is
Launch of the no air to breathe. Spaceships and stations are
space shuttle carefully designed to keep astronauts safe.
Atlantis
Astronaut Karen Nyberg washes
her hair on board the International
Space Station.
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