Chemistry
Stars
The Sun
Planets
Misc.
Astronomy
100

A positively charged subatomic particle in an atom

Proton

100

An area of space called the ___ is made up of a cloud of gas and dust.

(Stellar) Nebula

100

The telescope that primarily observes the sun

SOHO (Solar and Heliospheric Observatory)

100

Other than earth, this volcanic planet is most suitable for life

Mars

100

The current model of the solar system, where all the planets including earth are orbiting the sun is called the ___model.

Heliocentric

200

Found surrounding the nucleus

electrons

200

A baby star that can make up the beginning of young solar system is called a ____?

protostar

200

The visible surface of the sun

Photosphere

200

This planet rotates on its side

Uranus

200

A small body of matter from outer space that enters the earth's atmosphere, becoming a streak of light.

Meteor

300

Along with protons, these make up the nucleus of an atom

Neutrons

300

Which color star has the shortest lifespan?


Blue (it's the hottest!)

300

Hot gases rise, cool, and sink back down in a process called _____.

Convection

300

Gravitational pull of a planet depends on its distance from other objects and its ___

Mass (size)

300

☀️              🌗      🌎

(not to scale)

This diagram shows the proper alignment for a _ eclipse.

Solar

400

Elements with similar properties are found in the same

Group/Family/Column

400

What is the primary process that leads to the formation of stellar-mass black holes?

Supernova explosion

400

Dark areas in the photosphere of the sun and are cooler than the surrounding areas are called ___.

Sunspots
400

A planet's length of day is determined by its ___

Rotation on its axis

400

Which technology roams the surface of an object in space?


Rover

500

The most abundant element in the universe; the fuel for nuclear fusion in main sequence stars

Hydrogen

500

Hottest stars are found on the (left or right) side of the HR diagram. 

Left
500

Name the INTERNAL layers of the sun from innermost to outermost

Core, Radiative zone, convective zone

500

A planet's year is determined by its ____

Revolution around the sun

500

According to the electromagnetic spectrum, as wavelength DECREASES, energy of electromagnetic waves ____.

Increases