This is the invisible force that keeps our feet glued to the ground and makes sure Earth stays in orbit around the Sun.
What is gravity?
"May the Fourth be with you” is the official tagline of the galaxy-wide holiday celebrated the first week of May in honor of what sci-fi franchise?
What is Star Wars?
Known as the "Red Planet" because its surface is covered in rusty iron oxide dust.
What is Mars?
In 1969, Neil Armstrong and Buzz Aldrin became the first humans to walk on this rocky neighbor of ours during the Apollo 11 mission.
What is the Moon?
Because the Moon orbits Earth and reflects sunlight from different angles, it goes through a monthly cycle of shapes known by this name (like full, half, and crescent).
What are the Phases of the Moon?
True or false: There is zero sound in outer space because there is no atmosphere to carry sound waves.
What is true?
In the 2026 film adaptation of Andy Weir's Sci-Fi novel, Project Hail Mary, this actor plays the leading role of Ryland Grace.
Who is Ryan Gosling?
This giant planet is the biggest in our solar system and features a massive storm called the Great Red Spot that's been raging for hundreds of years.
What is Jupiter?
Launched in 1990, this famous NASA space telescope orbits high above our atmosphere to take those mind-blowing deep-space pictures.
What is the Hubble Space Telescope?
If you ever got too close to a black hole, extreme tidal forces would stretch your body out into a long, thin shape that physicists literally call this delicious Italian name.
What is Spaghettification?
This unit of measurement doesn't track time, but rather how far light travels in a single Earth year.
What is light-year?
This legendary sci-fi franchise features iconic starships like the USS Enterprise, futuristic phaser weapons, and catchphrases like "Live long and prosper."
What is Star Trek?
These mysterious cosmic heavyweights have gravity so intense that not even light can escape once it crosses their point of no return.
What are Black Holes?
In 2006, the International Astronomical Union officially voted to reclassify Pluto from a full planet to this new category.
What is a Dwarf Planet?
The colossal, blindingly bright explosion of a dying giant star that can temporarily outshine an entire galaxy.
What is a Supernova?
Our solar system is just one tiny neighborhood inside a massive, swirling spiral city of stars called this.
What is the Milky Way?
In this 2014 Christopher Nolan film, astronauts travel through a wormhole near Saturn to find a new home for humanity.
What is Interstellar?
Even though Mercury is closer to the Sun, this planet takes the crown for the hottest in our solar system due to a runaway greenhouse effect.
What is Venus?
Assembly of this massive orbiting science lab began in 1998, and it has had humans living and working on it continuously ever since.
What is the ISS (International Space Station).
Caused by solar wind crashing into Earth's magnetic field, this stunning light show paints the night sky with glowing green and purple curtains.
What are the Northern Lights? (Aurora Borealis)
Despite the name, these bright streaks in the night sky aren't actually stars at all.
What is a meteor?
This classic rock band's 1973 album The Dark Side of the Moon features one of the most famous prism-and-spectrum album covers in music history.
Who is Pink Floyd?
These massive, colorful clouds of gas and dust in space are often called "stellar nurseries" because brand-new stars are born inside them.
What are Nebulas?
Launched on Christmas Day in 2021, this mega-telescope became Hubble's high-tech successor, peering deeper into the early universe than ever before.
These are lonely, planetary outcasts that got kicked out of their home star systems and now drift completely untethered through the pitch-black void of deep space.
What are Rogue Planets?