Sophie Hanscom Flashcards
Solar Nebula
A cloud of dust and gas that later forms a solar system.
Gravity
A force that pulls two objects with mass or energy together.
Fusion
Two or more things joining together to form a single unit.
Star
A large, brilliant light in the sky.
Infrared Light
Light that comes from the sun that cannot be seen, also known as heat.
Visible Light
Wavelengths that can be seen by most humans.
Ultraviolet Light
Radiation that can’t be seen by humans.
Matter
Any physical substance that takes up space and is made up of atoms.
Planetary Nebula
A nebula formed by a shell of gas that expands around an aging star.
White Dwarf
A small, dense and low-mass star that’s generally the size of a planet.
Red Giant
A large star that’s highly luminous but of low temperature.
Electromagnetic Spectrum
The range of wavelengths that electromagnetic radiation extends over.
Element
Substances that can’t be chemically combined or broken down into simpler substances.
Hydrogen
An odorless and colorless gas that’s highly flammable.
Helium
The element with the lowest boiling temperature.