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Achluophobia, also known as this, is an intense and irrational fear of the dark.
What is Nyctophobia?
This planet is far less dense than water with an average density of 0.687 g/cm3, or 0.1246 Earths. If we had a big enough cup, it'd float better than ice.
What is Saturn?
This color is the first to be absorbed by water and so cannot be seen deep underwater.
What is Red?
Early symptoms of this deficency disease include weakness, fatigue, and sore arms and legs.
What is Scurvy?
When graphing a quadratic equasion, a curved line called this appears.
What is a Parabola?
Germaphobia is the informal term for the fear of dirt and germs. More formally it's known as this.
What is Mysophobia?
Alpheratz is one of the stars included in The Great Square of Pegasus constellation. It is also the brightest star in this galaxy.
What is Andromeda?
According to polls this color is the least common favorite color in the world.
What is Yellow?
Symptoms of this group of conditions include memory loss, communication difficulties, memory loss and problems with reasoning and judgment.
What is Dementia?
This 4 dimentional shape, also called a 4 cube or hypercube, is more commonly known in pop culture and science fiction for having something to do with space.
What is a Tesseract?
Not to be confused for the philia, this is the term for an irrational fear of children.
What is Pedophobia?
This word refers to the morphology of galaxies like our own Milky Way. It also refers to a commonly used book binding style.
What is Spiral?
This color is the complementary color to green, a main player in printer ink colors, and is widley reguarded as being "not a real color" due to it having no single wavelength of light associated with it.
What is Magenta?
The 3 main symptoms of this are fatigue, joint pain and rashes. Thank god no-one ever has it.
What is Lupus?
This character from the Phantom Tollbooth meant to teach Milo about the importance of maths was named after this over 10 faced three dimentional shape.
What is a Dodecahedron?
This is the name given to the irrational fear of blood, stemming from the french word for blood.
What is Hemophobia?
This divine hero from Greek mythology "described as the most hansome of mortals", was abducted by the gods to serve as Zeus's cup bearer in Olympus. He also shares a name with a more well known one of one of Jupiter's 91 moons.
Who is Ganymede?
Also the name of a French herbal liqueur, this color rose in popularity in the 2000s due to the success of the Shrek franchise.
What is Chartreuse?
Approximately 75% of cases of this disease are asymptomatic; mild symptoms include sore throat and fever; more severe symptoms include headache, neck stiffness, and paresthesia. Treating this is also one of the primary uses of the iron lung.
What is Polio?
This type of bottle is a prime example of a non-orientable surface, or a one sided shape, a shape that, if traveled upon, could be followed back to the point of origin while flipping the traveler upside down.
What is a Klein Bottle?
A mix of the words for fear of large things and fear of things underwater, this is the name for the fear of large things underwater.
What is Megalohydrothalassophobia?
The Sun, Alpha Centauri A, and 51 Pegasi are notable examples of these types of stars, characterized as stars that convert Helium to Hydrogen in their cores through nuclear fusion.
What is a Yellow Dwarf?
This color, also known as "royal purple" only obtained from the secretions of the spiny murex sea snail, is regarded as on of the worlds most rare colors.
What is Tyran Purple?
This is a neurological condition that distorts a person's perception of their body and the world around them often causing those with it to experience changes in the size and shape of objects, their own body, and being awfully late for very important dates.
What is Alice in Wonderland syndrome?
The fibonacci spiral is a natural example of of these occuring in the world.
What are Fractals?