An Interesting New Planet Until recently, the (1) ……… of planets outside our own solar system was difficult to
prove. Now, thanks to increasingly (2) ……… equipment, hundreds have been
discovered orbiting distant stars. Recent (3) ……… of the nearest star to Earth,
Proxima Centauri, have led to a (4) ……… discovery: a rocky planet similar in size to
the Earth which may have liquid water on its surface.
Although the new planet is (5) ………closer to Proxima Centauri than the Earth is to
the Sun, there is still a (6) ……… of life there. This is because the star is much
smaller and cooler than our sun, so conditions on the planet may be (7) ……… enough
to support life. Temperatures on the planet will be (8) ……… on whether there is an
atmosphere surrounding it.
Travelling to Proxima Centauri and exploring its planet is totally (9) ……… at
the moment. Despite it being one of the nearest stars to the sun, it would take
thousands of years to get there using current technology.
EXIST
SENSE
INVESTIGATE
SIGNIFY
CONSIDER
POSSIBLE
COMFORT
DEPEND
REAL