3
Here are two sets of answers to the question Are UFOs alien spacecraft? Discuss the answers with a classmate. Which side of the argument do you prefer: No or Yes?
No
Yes
At the moment there is no evidence of intelligent More and more planets are being found outside beings or aliens inhabiting our solar system. our known solar system. We do not know how advanced alien technology might be.
In order to travel at the speed of light, you would need an incredible amount of energy.
All this is true for now, but who knows what could happen in the future?
Photographs of alien spacecraft have been proven to be forgeries, or are too blurred to be used as proof that aliens exist.
There are many thousands of photographs that claim to show alien spacecraft, as well as plenty of statements from eye witnesses.
UFOs could be many things other than alien spacecraft.
Some of the witnesses of alien spacecraft are air force pilots, who are knowledgeable about detecting objects in the air.
So far, nobody has scientifically proven a relationship between strange phenomena and the locations of alien sightings.
Evidence of crashes and burning has been found near UFO sightings.
B CD 1, Track 3
What do you think most UFOs are?
!
now Vote t Forgeries/hoaxes t Cases of mistaken identity t Alien spacecraft
Listening and vocabulary 4
Some UFOs could be normal everyday objects. Which of these objects do you think could be mistaken for an alien spacecraft? aeroplane balloon bird camcorder Frisbee glider helicopter hovercraft kite tennis ball
umbrella
Unit 2: Living creatures 19
Part 1
To travel to the nearest star, Alpha Centauri, would take more than 73,000 years in today’s fastest rocket.