Solar sail

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Solar sail

• 22 June, 2005
• Damien Grammaticas
• BBC News, Moscow

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Solar sail

• how much do you know about the US and the Russian
  space programmes ?

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Solar sail
Apollo 11- Cosmos 1- Explorer 1- Sputnik 1- Mir
USA - USSR
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• a prototypethe first design of something from
  which other forms are copied or developed
• to try to determineto make effort to discover
  the facts about something
• to orbit the earthto move around the earth
• a ballistic missilean object (for example a
  weapon) that is fired into the air at a
  particular angle and speed (in order to fall in
  the right place)
• to cut outhere to stop working

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Solar sail

• an enthusiasta person who is very interested in
  something and spends a lot of time and money
  doing it
• to harness sunlightto control and use the energy
  (of the light) coming from the sun
• to unfurl to open (something that is folded) to
  unfold
• a flower petal a delicate, coloured parts of a
  flower, usually growing from its head
• to propel to push or move something in a
  particular direction

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Solar sail

• try to determine
• a prototype (n)
• orbit the earth
• a ballistic missile
• cut out (v)
• an enthusiast (n)
• harness sunlight
• unfurl (v)
• a flower petal
• propel (v)

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Solar sail

• It's certain we can now use the sun to power
  rockets.
• True/False

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love comfort danger beauty fame fashion nature
help accident use accept environment music harm
pleasure continue
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Solar sail