Exploring Cosmic Phenomena and Facts

The video explores the vastness of the universe, discussing its age, the formation of elements, and the concept of stardust. It covers the silence of space, the observable universe, and the role of dark matter. The video delves into planetary rotations, light speed, and the unique features of planets like Mars and Mercury. It highlights spacecraft navigation, the Kuiper belt, and the challenges of interstellar travel. The video also examines cosmic phenomena such as black holes, cosmic voids, and the Fermi Paradox, while discussing the evolution of stars, space debris, and the outer space treaty.

What is the estimated age of the universe?

• 10.5 billion years

• 20 billion years

• 13.8 billion years

• 15.2 billion years

Why is space considered silent?

• It lacks a medium to carry sound waves

• It is too far from Earth

• Stars emit too much noise

• Sound waves are absorbed by dark matter

How many galaxies are estimated to be in the observable universe?

• 10 trillion

• 5 trillion

• 2 trillion

• 1 trillion

What percentage of the universe's total mass and energy is made up of dark matter?

• 75%

• 27%

• 50%

• 15%

How fast does light travel?

• 200,000 miles per second

• 186,282 miles per second

• 150,000 miles per second

• 100,000 miles per second

What is the largest volcano in the solar system?

• Mount Everest

• Olympus Mons

• Mauna Kea

• K2

How do spacecraft gain speed and change trajectory?

• By increasing fuel consumption

• Using solar sails

• Through gravitational assists

• Using magnetic fields

What is unique about the asteroid belt between Mars and Jupiter?

• It has a lot of empty space

• It is densely packed with rocks

• It contains only ice

• It is made entirely of gas

What is believed to rain on Uranus and Neptune?

• Diamonds

• Water

• Sulfur

• Iron

What did the Hubble Space Telescope's ultra Deep Field image reveal?

• Thousands of galaxies

• A single galaxy

• A new planet

• A black hole