This is the name of our home galaxy.

The age of the Universe, rounded to tenths of billions of years.

This planet is often called "The Red Planet."

Pluto, no longer being classified as a planet, is now given this designation.

This 1995 film, starring Tom Hanks, follows three astronauts as they attempt to return home safely after a mechanical failure threatens their mission.

The three main galaxy classifications.

Modern cosmology is often said to have begun in 1917 with Albert Einstein's publication of his final modification of this theory.

This planet is so hot that space probes have melted after landing there.

These small bodies - made of ice, dust, and frozen gas - usually orbit the Sun in very elliptical paths.

The name of the space shuttle that tragically exploded in 1986, leading to the deaths of its seven crew members.

These small groupings of stars are like spherical mini-galaxies.

The small variations in this otherwise uniform radiation which tell us about the dark matter and dark energy in the Universe.

This planet was the first to be discovered by telescope.

This outer solar system body was discovered in 2005 - larger and more distant than Pluto - and called into questions planetary classifications.

This space craft has become the first man-made object to leave our solar system and enter interstellar space.

The collection of roughly 50 galaxies to which The Milky Way belongs.

The stuff which explains the acceleration of the expansion of the universe.

This giant category of exoplanet orbits incredibly close to its star.

These small solar system bodies have unstable orbits that cross, or have crossed the orbits, of one or more of the giant planets.

This much anticipated future space telescope, currently set to launch in 2018, is optimized for observations in the infrared spectrum.

The number of years until the Andromeda Galaxy and the Milky Way merge.

The recent detection of these space-time ripples provide strong evidence for the inflation model in the early universe.

This bizarre object occupies the gray are between star and planet.

This asteroid is sometimes called the second moon of Earth because it has a 1:1 orbital resonance with Earth, making it a co-orbital object.

This non-profit organization, based in the Netherlands, has put forward plans to establish a permanent human colony on Mars by the year 2025.