1.

unprecedented space tragedy

• something that causes feelings of respect and wonder

2.

certified flight instructor

• having knowledge of a wide variety of subjects

3.

space mission

• nowadays, in these times

4.

super specialisation

• a set of jobs to be done in space by a group

5.

encyclopaedic knowledge

• a person with the correct qualification to teach people to fly planes

6.

awe-inspiring

• a sad accident of a kind that has never happened before in space

7.

in this age

• great expertise in a limited field or a particular subject