Spectroscopy
This is the term to refer to the rainbow of wavelengths that light can be split into.
What is a spectrum?
This is the fundamental force responsible for black holes
What is gravity?
What is it called when a star implodes on its own gravity?
Supernova.
Rockets use these to adjust their direction vector and reduce rotational motion.
Fins.
This planet is the hottest in our solar system.
What is Venus?
Name either of the two kinds of waves.
What are mechanical or light waves?
What causes black holes to appear black?
They appear black because light gets trapped inside and cannot be reflected into our eyes.
Gas Giants are mostly made of this gas.
What is hydrogen (H2)?
This is how many Artemis missions are planned by NASA until 2028.
5.
This law dictates that the speed of expansion of the universe is proportional to its distance from the center; in other words the expansion is accelerating.
What is Hubble's Law?
Name one type of light on the electromagnetic spectrum.
Gamma rays, X-rays, ultraviolet, visible, microwaves, or radio waves.
This disk of matter swirls around a black hole just far enough to not get sucked inside.
What is an accretion disk?
What process provides the energy to fuel stars?
Nuclear fusion.
This was the first country to send a satellite into orbit.
The Soviet Union.
As an object shifts away from the viewer, or the spacetime of the universe expands, light turns this color.
What is red?
A planet or star moving away from us will experience this effect in its light spectrum.
What is a red shift?
This is the boundary beyond which matter cannot escape the gravity of a black hole.
What is the event horizon?
What are nebulae made of?
Dust and gas floating in space.
Newton's Third Law of Motion says this:
For every action, there is an equal and opposite reaction.
This unit of measurement is defined as the distance from the Earth to the Sun.
What is an astronomical unit (AU)?
This is the change in the frequency of a wave as the source and observer move toward or away from each other.
What is the Doppler Shift?
This is the incredibly dense and infinitesimally small point at the center of a black hole.
What is the singularity?
This is the heaviest element that stars can create.
What is iron?
Name any of the 4 main types of rocket fuel propellant.
Solid, liquid, hybrid, or ionization.
This was the historically renowned astronomer that proposed the heliocentric model of the solar system.
Who was Nicolas Copernicus?