RE1 - Unit 4A (Reading Comp) | Baamboozle - Baamboozle

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Para B - What planets might be similar to Earth?

Planets that CIRCLE other stars.

Para D - How might intelligent beings eventually contact us?

By flashes of light or radio signals,

How do you feel about contacting life on other planets?

???

Para A - What do they think will happen soon?

We will soon CONTACT these beings.

Para C - Until recently what was it difficult to do?

SEARCH for signs of intelligent life in the universe.

Para A - What do some astronomers believe?

That intelligent life EXISTS elsewhere in the universe.

Para B - Some scientists believe that 12 billion years is too long a period of time for what?

For only one planet to have life in the WHOLE universe.

Para B - What have TOOLS like the Hubble Telescope shown?

That there are at least 100 billion galaxies.

Para D - Why have beings from outer space probably not already visited Earth?

Because the DISTANCE is too far.

Do you agree with these scientists?

???

What star does Earth CIRCLE?

The sun.

Para C - What can POWERFUL telescopes ALLOW scientists to do now?

IDENTIFY more small planets in other solar systems.