Q3 Science QE - Sun and Other Stars

Diameter of Earth’s sun

A ___ is a massive ball of glowing hydrogen and helium of extremely high temperatures, held together by its own gravity.

A process occrus wherein hydrogen is converted into helium and energy.

Closest star to Earth next to the sun

Characteristics to classify stars:

A star’s brightness is described in terms of its ___ and ___.

The brightest stars were classified as ___.

The faintest stars were classified as ___.

This describes the rate at which a star radiates energy.

The color of a star ranges from ___ to ___ to ___ depending on surface temperature.

The cooler stars appear ___.

Hotter stars appear ___ to ___.

The sun is a medium-sized star. (T or F)

It is a mid-range temperature star and it appears yellow.

Surface temperatures of stars are expressed in ___.

Astronomers express the size of stars in terms of the ___ or ___.

Stars can be larger or smaller than the sun. (T or F)

In terms of size, stars are classified as ___, ___, or ___.

Stars that are very small are known as ___.

These are twice to 10 times larger than the sun.

These are more than 10 times the size of the sun.

Used to determine the characteristics of stars including their spectral class.

Astronomers study the spectral lines detected by ___ to determine the composition of stars.

The light from a star that moves in a straight ___.

The sections of the sky that contains there patterns are called ___.

Numbers of constellations

Astronomers consider these contellations as ___ points.

British astronomer who discovered that stars move and change position.

Constellations that can be seen all year round are called ___.

Ursa Major is also known as ___.

Ursa Minor is also known as ___.

The third largest known constellation.

This is a recognized, group of stars within a constellation or a cross of constellations.

The Big Dipper has ___ stars.

A constellation named after a queen in Greek mythology.

Latin name for Swan, is the 16th largest constellation.

It is the Latin word for “cross”

It is the Latin for “keel”

Boat-shaped constellation

2 movements of Earth that allow you to see specific constellations at certain time of the year.

This determines the influence of the state of the stars and the planet at the time of one’s birth on an invidivual’s destiny or future.

It is a science that uses the principles of physics and mathematics to explain and predict the phenomenon of celestial bodies.

It is also known as the “Morning Star”

Also known as “shooting star” or “falling star”

This occurs in the sun where hydrogen fuses to form helium, releasing energy.