Space

Once the rocket was ______ (launch), it took only minutes to break through the Earth’s atmosphere.

Because there’s less ______ (gravitational) on the Moon, astronauts can jump much higher than they can on Earth.

Many scientists believe that if we could travel fast enough, we might one day explore other ______ and unlock the secrets of the ______.

• galaxies / universe

• galactic / universal

Space exploration includes ______ missions that study the Moon’s surface, ______ research that examines the Sun’s energy, and ______ projects that look for signs of life on Mars and beyond.

• lunar / solar / planetary

• moon / sun / planet

Space exploration has helped human beings learn about ______ mysteries, such as ______ travel between stars and ______ rocks that speed through space at incredible rates.

• cosmic / interstellar / meteoric

• cosmos / star / meteor

Telescopes and satellites capture images of distant ______ bodies such as stars and planets, helping scientists learn more about ______ formation, playing an important role in expanding our understanding of the universe.

• celestial / galactic

• sky / galaxy

From my perspective, international ______ in space exploration not only reduces the burden of space ______ for individual countries but also prevents a new space ______ by promoting peaceful collaboration.

• cooperation / funding / race

• cooperate / fund / race

If scientists discover ______ life such as intelligent aliens or exotic organisms of distant planets, it can completely transform our understanding of life beyond our ______ experience on Earth.

• extraterrestrial / terrestrial

• terrestrial / extraterrestrial

______, who study stars, planets, and cosmic events using telescopes and advanced computer models, often work closely with ______, who travel into space to conduct experiments and gather data firsthand.

• astronomers / astronauts

• astronauts / astronomers

Space ______ not only helps us understand the universe, it also leads to technological ______ on Earth.

• exploration / innovation

• explorative / innovative