Vinasat-1 is Viet Nam’s first telecommunication sa________, which was launched in 2008.
satellite
20
Experiencing microgravity on a p________ fl________ ispart of astronaut training programmes.
parabolic flight
20
In 2015 NASA discovered an Earth-like planet which might be ha________ because it has ‘just the right’ conditions to support liquid water and possiblyeven life.
habitable
15
On the ISS astronauts have to at________ themselves so they don’t float around.
attach
20
It is cheaper to build an unmanned sp________ thanthe one that is manned.
spacecraft
20
One of the largest me________ found on Earth is the Hoba from southwest Africa, which weighs about 54,000 kg.
meteorites
25
He found that Earth didn’t look as big as he thought, no bo__________ on Earth could be seen from space we should cooperate to take care of it
boundaries
25
Talking to Tuoi Tre newspaper, the two astronauts said they enjoyed fl_________ around in the weightless environment.
floating
20
The largest planet in our s_______ sy_______ that has more gravity than Earth, and many storms.
solar system
25
Called ‘The Jewel of the Solar System’, this is the only planet whose beautiful rings can be seen from Earth with a te_____________.