Space Rocks and Stellar Spots
This celestial body, classified as a dwarf planet, was formerly considered the ninth planet in our solar system.
What is pluto?
The Earth rotates on its axis once every 24 hours, causing this phenomenon.
What is day and night?
This massive explosion marks the end of a massive star's life cycle.
What is a supernova?
This term describes a large group of stars, gas, and dust bound together by gravity.
What is a Galaxy?
This mysterious form of matter does not emit, absorb, or reflect light, making it invisible and detectable only through its gravitational effects.
What is Dark Matter?
In Back to the Future, this type of car is the time machine.
What is a DeLorean?
The largest planet in our solar system, it has a famous giant storm called the Great Red Spot.
What is Jupiter?
A solar eclipse occurs when this celestial body passes between the Earth and the Sun.
What is the moon?
This type of star forms when a low-mass star like our Sun runs out of nuclear fuel.
What is a white dwarf?
This theory proposes that the universe began as a hot, dense point and has been expanding ever since.
What is the Big Bang Theory?
This term describes the hypothetical form of energy that permeates all of space and exerts negative pressure, contributing to the acceleration of the universe's expansion.
What is dark energy?
Originally, Amazon only sold this kind of product.
What are books?
This planet is the hottest planet in the solar system.
What is Venus?
This phenomenon occurs when the Earth casts a shadow on the Moon, causing it to darken.
What is a lunar eclipse?
The end result of the most massive stars, when they collapse, allowing nothing, not even light, to escape.
What is a black hole?
The Milky Way is classified as this type of galaxy.
What is a spiral galaxy?
Dark matter makes up approximately this percentage of the total matter-energy content of the universe.
What is 27%?
Three consecutive strikes in bowling are called this.
What is a turkey?
The Kuiper Belt is a region of the solar system beyond this planet.
What is Neptune?
The tilt of the Earth's axis is responsible for this yearly occurrence.
What are the 4 seasons?
About 90 percent of the stars in the universe, including the sun, are this kind of star.
What is a main sequence star?
Galaxies are often found in groups known by this term.
What is a Galaxy Cluster?
Dark energy is believed to be responsible for this phenomenon, causing the expansion of the universe to accelerate.
What is cosmic acceleration?
This country was the first to give women the right to vote.
What is New Zealand (in 1893)?
This moon of Saturn is known for having lakes of hydrocarbons on the surface.
What is Titan?
This term refers to the shortest day and longest night of the year in the Northern Hemisphere.
What is the winter solstice?
The core of a massive star undergoes gravitational collapse, forming this incredibly dense object which is made of a chargeless baryon.
What is a neutron star?
This process involves the merging of smaller galaxies to form larger galaxies.
What is galactic cannibalism or galactic merger?
The existence of dark matter was first proposed to explain the observed discrepancies in the rotational velocities of stars within these astronomical structures.
What are galaxies?
This is the only continent without an active volcano.
What is Australia?
This collection of space rocks orbits the sun in Jupiter's Lagrange points (L4 and L5).
What are the Trojan Asteriods?
This occurs when the time it takes for an object to rotate matches the time it takes to orbit around an object.
What is tidal locking?
This supports neutron stars and is the repulsion-providing force between closely packed neutrons.
What is the strong nuclear force?
This is the country where most of the Large Hadron Collider sits.
What is France?
This is caused by galaxies distorting the shape of galaxies farther away. From the distortion, the total mass inside the galaxies causing the effect can be inferred.
What is gravitational lensing?
The first vaccine developed was for this disease.
What is smallpox?