It moves at approximately 300,000 km/s
What is the speed of light in a vaccum
Ancient Egyptians used this object to measure shadows and predict the solstices and equinox
What is an obelisk?
Astronomers use this "standard candle" to determine the distance to far-off galaxies.
What is a Type Ia supernova
This alien species was the first to have its language decoded by humans.
What are bees.
This famous paradox describes a scenario where a cat is both alive and dead.
What is Schrödinger's cat?
This phenomenon occurs when light bends as it passes through a medium like water or glass.
What is refraction?
Claudius Ptolemy’s geocentric model stated that this object was at the center of the universe.
What is Earth?
This shift in light frequency helps scientists determine if a galaxy is moving towards or away from us.
What is redshift/blueshift?
When attacked, a tree can sample this creature's DNA to send out pheromones to attract its natural enemy.
What is a caterpillar?
This ancient Greek philosopher posed the paradox of Achilles and the tortoise.
Who is Zeno?
The light from objects moving away from us appears to be more of this color.
What is redshift?
alileo used this improved instrument to observe moons orbiting Jupiter, challenging the geocentric model.
What is a telescope?
By analyzing starlight, astronomers can determine a star’s chemical composition using this tool.
What is spectroscopy?
This underground network of fungal threads allows plants to communicate and share resources.
What is a mycelium network?
Zuuzve, discovered in 2012, orbits Venus in a highly unusual orbit and is know as this.
What is a quasi-moon?
The faint radiation left over from the Big Bang is known by this name.
What is the Cosmic Microwave Background Radiation?
This ancient Greek astronomer accurately measured Earth’s circumference using shadows and a stick.
Who is Eratosthenes?
This unit is used to describe the vast distances between stars, approximately 9.5 trillion kilometers.
What is a light-year?
These creatures primarily use chemicals to communicate but also use sound to show their age.
What are ants?
Timothy O'Bryan was poisoned by consuming a cyanide-laced Pixy Stix administered to him on Halloween by this person?
Who is his father?
he theory that light behaves as both a particle and a wave is known as this.
What is wave-particle duality?
Tycho Brahe’s detailed measurements of planetary motion allowed this scientist to develop the laws of planetary motion.
Who is Johannes Kepler?
The parallax method uses observations six months apart to measure this kind of distance.
What is the distance to nearby stars?
Parrots talking is not an example of communication but rather of this.
What is mimicry?
Diclofenac was responsible for the deaths of nearly all vultures in India when it was used to treat these creatures.
What are cows?