Giant Sequoias and DART Mission Insights

The video covers the impact of wildfires on California's giant sequoia trees, highlighting conservation efforts and challenges. It also discusses NASA's DART mission aimed at redirecting an asteroid as a planetary defense test. Additionally, the video reports on a record auction sale of a rare U.S. Constitution copy.

Where is the only place on Earth where giant sequoia trees naturally grow?

• Amazon Rainforest

• Himalayas

• Sierra Nevada Mountain Range

• Rocky Mountains

What is one reason giant sequoias have survived for thousands of years?

• They are planted in protected areas

• Their thick bark protects them from fires

• They grow in deserts

• They are immune to diseases

What recent event has significantly threatened the giant sequoias?

• Increased tourism

• Severe drought and intense wildfires

• Insect infestations

• Deforestation for agriculture

What innovative method was used to protect sequoias from wildfires?

• Building concrete walls around them

• Using sprinkler systems and fire retardant gel

• Covering them with metal sheets

• Planting more trees around them

What is the primary goal of NASA's DART mission?

• To find new planets

• To explore Mars

• To test planetary defense by altering an asteroid's orbit

• To study the Sun

What is the target of the DART mission?

• A distant planet

• A satellite

• A moonlet orbiting an asteroid

• A comet

How will the DART mission attempt to change the moonlet's orbit?

• By deploying a magnetic field

• By crashing a spacecraft into it

• By using a laser

• By attaching a rocket to it

What recent auction record was set for a historical document?

• A rare copy of the U.S. Constitution

• The Magna Carta

• The Declaration of Independence

• The Bill of Rights

How many known copies of the printed U.S. Constitution survive today?

• 5

• 13

• 50

• 100

What was the final bid for the rare copy of the U.S. Constitution?

• $10 million

• $20 million

• $43.2 million

• $50 million