Vocab
Vocab 2
Solar System
Gravity
H-R
100

What is absolute magnitude

a measure of celestial objects intense brightness

100

What is a giant star

star that is much larger and brighter than a main-sequence star of the same surface temperature.
100

Whats the smallest planet?

Mercury

100

What keeps the planets revolve around the sun

The gravitional pull of the sun

100

Whats hotter Red or White

White

200

What is Apparent Magnitude

the brightness of an object as it appears to an observer on Earth.

200

What is solar mass?

The mass of the sun used as a unit of mass

200

How many planets do we have

7

200

What happens if you stay in zero gravity for too long?

your body will experience significant muscle and bone loss, primarily in the legs and lower back

200

What is the hottest color on the diagram

Blue

300
What is helium fusion

The process where a stars core begins to fuse helium atoms together to create heavier elements like carbon

300

What is gravity

A force by which a planet or other body draws objects toward its center

300

Whats the largest planet

Jupiter

300

What affects the tides in the ocean

the moon

300

What is the H-R Diagram

It is a diagram that displays the luminosity for stars

400

What is Hydrogen fusion

the process where the nuclei of hydrogen atoms within a star's core are squeezed together under immense pressure and temperature

400

What is Luminosity

the intrinsic brightness of a celestial object (as distinct from its apparent brightness diminished by distance).

400

Whats the smallest planet

Mercury

400

Who discovered gravity

Sir Isaac Newton

400

Where are red dwarfs located on the diagram

On the right lower end

500

What is a Main sequence star

a star that is currently fusing hydrogen into helium in its core

500

What is a white dwarf

a small very dense star that is typically the size of a planet

500

Whats the 3rd planet from the sun

Earth

500

What is the third law of gravity

For every action has an opposite reaction

500

What are the characteristics of a red star

Dimmer, less massive, and burns slow