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Present Perfect

Humans have always tried to transcend death or at least be remembered.

What have humans always tried to transcend? Humans have always tried to transcend death.

Between our propensity for war and environmental destruction, some have said that humanity’s days are numbered.

Have some said we will live forever? No, some haven’t said we will live forever. Some have said that humanity’s days are numbered.

Two golden records have been created in 1977.

What has been created in 1977? Two golden records have been created in 1977.

These two records have been sent deep into space in hopes of one day reaching alien life.

Where have they been sent? They have been sent deep into space. Have they been sent deep into space in hopes of one day reaching alien life? Yes, they have been sent deep into space in hopes of one day reaching alien life.

What has been sent deep into space in hopes of one day reaching alien life?

Two records have been sent deep into space in hopes of one day reaching alien life.

They have been flying aboard the Voyager I and Voyager II NASA spacecraft that left Earth in the summer of 1977.

Have they been flying aboard NASA spacecraft? Yes, they have been flying aboard NASA spacecraft.

The Voyager spacecraft’s mission has been to record and send back data and images of Jupiter, Saturn, Uranus, and Neptune.

Has the mission been to record and send back data and images? Yes, the mission has been to record and send back data and images.

They have now long passed these planets.

What have they long passed? They have long passed these planets.

The spacecraft and its golden records have been traveling at over 60,000 kilometers an hour, which is 17 kilometers a second.

How many kilometers an hour have they been traveling at? They have been traveling at 60,000 kilometers an hour.

The Voyager I has now traveled 20 billion kilometers away from Earth and has left our solar system.

What has left our solar system? The Voyager I has left our solar system.

Amazingly, the onboard 1970s built computers have still kept in touch with Earth.

What have they still kept in touch with? They have still kept in touch with Earth.

The record creators have engraved image-based instructions on how to play the record and a map showing our position in the universe.

Have they engraved sound based instructions? No, they haven’t engraved sound based instructions. They have engraved image-based instructions.

What kind of map have they included? They have included a map that shows our position in the universe.

Not everyone has been on board with the map though.

Has everyone been on board with the map? No, not everyone has been on board with the map.

Some have feared that giving away our location to a possibly hostile alien race might not be the smartest thing to do.

What have some feared? Some have feared that giving away our location to a possibly hostile alien race might not be the smartest thing to do.