Quizziz week #5 - listening

The collision of the spacecraft (at the beginning) was unplanned and completely uncontrolled by the scientists ?

• Right

• False

Spacedebris are a wide range of different things, like small pieces of spacecraft, mission related debris, fragmentation debris (around 1 millimeter) ?

• Right

• Wrong

The real problem is not the side of the debris, but their speed of their travels ?

• Right

• Wrong

The Kessler effect is " The Kessler effect suggests that when the amount of space debris in Low Earth Orbit (LEO) reaches a certain level, it will trigger a cascade effect in which this debris will be constantly colliding and breaking up to multiply the amount of debris, creating a permanent danger for any satellite of spacecraft in orbit."

• Right

• Wrong

The use of a big net to clean Space never worked efficiently at all ?

• Right

• Wrong

The main goal of cleaning space is avoiding collisions and create more debris in space ?

• Right

• Wrong

Out of 6,000 satellites traveling in orbit around Earth, only 1,000 are still working.

• Right

• Wrong

Satellites are used for telecommunications, weather updates, Internet, and ___.

Collaborations are done between different countries through political decisions to resolve the problem of space debris ?

• Right

• Wrong

The acronym IADC means : Interagencies Debris Coordination Commitee ?

• Right

• Wrong