Space Debris and Satellite Challenges

The video explores various unexpected objects orbiting Earth, from historical satellites like Vanguard 1 to debris from anti-satellite tests. It discusses the impact of space junk, including spent rocket stages and mini moons, and highlights the risks of deliberate satellite destruction. The legacy of nuclear-powered satellites and the challenges posed by dead satellites in geostationary orbit are also covered. Additionally, the video touches on the quirky phenomena of lost tools and zombie satellites, emphasizing the chaotic nature of space operations.

What is the main theme of the video introduction?

• The history of space exploration

• Unexpected objects orbiting Earth

• The beauty of the night sky

• The future of space travel

Why is Vanguard 1 still in orbit?

• It is still operational

• It was designed to be permanent

• It was recently launched

• Its trajectory avoids atmospheric drag

What was the consequence of China's 2007 anti-satellite test?

• It deorbited old satellites

• It reduced space collisions

• It created a large debris cloud

• It improved satellite technology

What was a significant outcome of the Iridium-Cosmos collision?

• It reduced space debris

• It improved communication networks

• It demonstrated safe satellite operations

• It highlighted the Kessler syndrome

What happens to rocket stages after their mission?

• They are deorbited immediately

• They become permanent space fixtures

• They are reused for new missions

• They return to Earth safely

What is unique about mini-moons like 2016 RH120?

• They are temporary and small

• They are large and visible

• They are man-made objects

• They are permanent satellites

What was the result of Russia's 2021 anti-satellite test?

• It improved satellite technology

• It created a hazardous debris field

• It reduced space debris

• It deorbited old satellites

What is a concern with nuclear-powered satellites?

• They are easily deorbited

• They are still operational

• They can re-enter unpredictably

• They are environmentally friendly

What are zombie satellites known for?

• Deorbiting quickly

• Being fully operational

• Transmitting unexpected signals

• Being easily controlled

What happens to tools lost by astronauts during spacewalks?

• They disintegrate in space

• They return to Earth

• They are retrieved by other astronauts

• They become permanent space debris