Quiz about Space and Universe

Question

What is the study of celestial objects and the universe?

Réponse

Astronomy.

Question

What is the leading theory for the origin of the universe?

Réponse

The Big Bang.

Question

What is the estimated age of the universe?

Réponse

About 13.8 billion years.

Question

What is a massive system of stars, gas, and dark matter?

Réponse

A galaxy.

Question

What is the name of our home galaxy?

Réponse

The Milky Way.

Question

What is the shape of the Milky Way galaxy?

Réponse

A barred spiral.

Question

What is a luminous sphere of plasma held together by gravity?

Réponse

A star.

Question

What is the closest star to the Earth?

Réponse

The Sun.

Question

What celestial body orbits a star and has cleared its neighborhood?

Réponse

A planet.

Question

Which is the largest planet in our solar system?

Réponse

Jupiter.

Question

Which planet in our solar system is famous for its rings?

Réponse

Saturn.

Question

What is the distance that light travels in one year?

Réponse

A light-year.

Question

Who first proposed the modern heliocentric model of the solar system?

Réponse

Nicolaus Copernicus.

Question

Who discovered the four largest moons of Jupiter?

Réponse

Galileo Galilei.

Question

What is a region of spacetime with extreme gravitational pull?

Réponse

A black hole.

Question

What is a giant interstellar cloud of dust and gas?

Réponse

A nebula.

Question

What is the expected final evolutionary state of our Sun?

Réponse

A white dwarf.

Question

What is the powerful and luminous explosion of a massive star?

Réponse

A supernova.

Question

What is a small rocky body orbiting the Sun called?

Réponse

An asteroid.

Question

What is an icy, small solar system body with a tail?

Réponse

A comet.

Question

Who was the first person to walk on the Moon?

Réponse

Neil Armstrong.

Question

What was the historic spaceflight that landed humans on the Moon?

Réponse

Apollo 11.

Question

Who was the first human to journey into outer space?

Réponse

Yuri Gagarin.

Question

What is the frequency change of a wave relative to an observer?

Réponse

The Doppler effect.

Question

Which law observationally describes the expansion of the universe?

Réponse

Hubble's law.

Question

What invisible matter strongly influences gravitational forces in galaxies?

Réponse

Dark matter.

Question

What mysterious form of energy accelerates the expansion of the universe?

Réponse

Dark energy.

Question

What is a planet located outside of our solar system called?

Réponse

An exoplanet.

Question

What space observatory was launched into low Earth orbit in 1990?

Réponse

The Hubble Space Telescope.

Question

Which new space telescope succeeded Hubble in observing the universe?

Réponse

The James Webb Space Telescope.

Question

Who formulated the three laws of planetary motion?

Réponse

Johannes Kepler.

Question

Who formulated the law of universal gravitation?

Réponse

Isaac Newton.

Question

What is an extremely luminous active galactic nucleus called?

Réponse

A quasar.

Question

The Asteroid Belt is located between which two planets?

Réponse

Mars and Jupiter.

Question

What unit of length equals the average Earth-Sun distance?

Réponse

The astronomical unit (AU).

Question

What are high-energy particles traveling through space called?

Réponse

Cosmic rays.

Question

What was the name of the first artificial Earth satellite?

Réponse

Sputnik 1.

Question

What is the approximate speed of light in a vacuum?

Réponse

About 300,000 kilometers per second.

Question

What astronomical event occurs when the Moon blocks the Sun?

Réponse

A solar eclipse.

Question

What astronomical event occurs when the Earth blocks the Moon?

Réponse

A lunar eclipse.

Question

What circumstellar disc is located just beyond the orbit of Neptune?

Réponse

The Kuiper belt.

Question

What are the two primary gases in Earth's atmosphere?

Réponse

Nitrogen and oxygen.

Question

What is a highly magnetized, rotating neutron star called?

Réponse

A pulsar.

Question

What are the main life stages of an average mass star?

Réponse

Nebula, main sequence, red giant, white dwarf.

Question

What is the remnant microwave radiation from the Big Bang called?

Réponse

Cosmic microwave background.