Why We Know Nothing about Dark Matter and Dark Energy

What did Edwin Hubble discover about the universe?

• It is getting smaller

• It is full of dark energy

• It is expanding

• It is not changing

What is dark matter?

• A type of energy

• A new kind of particle

• A planet

• A star

What percentage of the universe is dark energy?

• 50%

• 25%

• 66.2%

• 33.8%

What does dark matter not interact with?

• Water

• Light

• Air

• Gravity

What is the age of the universe according to modern cosmology?

• 5 billion years

• 13.77 billion years

• 100 thousand years

• 1 million years

What did astronomers discover in the late 1990s?

• The expansion of the universe is accelerating

• New planets

• Dark matter disappeared

• The universe is shrinking

What takes up the vast majority of all the mass in the universe?

• Stars

• Dark matter

• Planets

• Water

What did the PANTHEON+ survey measure?

• The speed of light

• The precise positions of about 1,500 supernovae

• The size of the Earth

• The temperature of the sun

What is the main goal in modern cosmology regarding dark matter and dark energy?

• To stop the expansion of the universe

• To ignore them

• To measure their properties as precisely as possible

• To create dark matter

What did the James Webb Space Telescope do?

• Measured the Earth's temperature

• Released the first batch of images from science runs

• Stopped the expansion of the universe

• Discovered dark matter