Deep Space: Lesson 1: Stars

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Last updated 1:10 PM on 10/5/26
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13 Terms

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constellation

group of stars that form a pattern

<p>group of stars that form a pattern</p>
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Hertzprung-Russel Diagram

charts stars based on their temperature, luminosity, magnitude, and mass.

<p>charts stars based on their temperature, luminosity, magnitude, and mass.</p>
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Main-Sequence stage

The stage our sun is currently in. Stars spend most of their life in this stage.

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Nebula

Spinning clouds of gas and dust. Stars will form from these.

<p>Spinning clouds of gas and dust. Stars will form from these.</p>
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Protostar

Early form of a star; This stage lies between the collapsing of dust and gas and the beginning of nuclear fusion

<p>Early form of a star; This stage lies between the collapsing of dust and gas and the beginning of nuclear fusion</p>
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supergiant

Large mass stars will form this stage after the main-sequence

<p>Large mass stars will form this stage after the main-sequence</p>
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Supernova

Occurs when a Supergiant explodes

<p>Occurs when a Supergiant explodes</p>
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Neutron Star

Can form after a supernova. A star that is only made of neutrons

<p>Can form after a supernova. A star that is only made of neutrons</p>
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Black Hole

An object with such gravity that no light can escape. (forms from VERY high mass star)

<p>An object with such gravity that no light can escape. (forms from VERY high mass star)</p>
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red giant

In about 5 billion years, our sun will move to this next stage. The star starts to swell and grow larger.

<p>In about 5 billion years, our sun will move to this next stage. The star starts to swell and grow larger.</p>
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White Dwarf

The final stage our sun will move into. These are very small in size.

<p>The final stage our sun will move into. These are very small in size.</p>
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Absolute Magnitude

compares the brightness of stars if they were the same distance from the observer.

<p>compares the brightness of stars if they were the same distance from the observer.</p>
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Apparent Magnitude

The brightness of star from the position of the observer (from earth).

<p>The brightness of star from the position of the observer (from earth).</p>