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| A point in Earth's orbit around the sun where nights and days are the same lengh.[image] |
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| A point in Earth's orbit around the sun where daylight is either the longest or the shortest amount possible [image] |
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| A darkening of the moon when it passes throught the Earth's shadow. [image] |
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| The rise and fall of water in the ocean and seas caused mainly by the gravitational pull of the moon on Earth.[image] |
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| a system of billions of stars, gases, and dust[image] |
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| brillaint objects in space that may be the powerhouses of developing galaxies[image] |
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| cloud of gas and dust in space [image] |
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| a star that has swelled and glows with a red color |
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| the explosionof a star releasing huge amounts of light and other energy. [image] |
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| an invisible object in space whose mass and gravitational force is so great that not even light cn escape. [image] |
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| an invisible object in space whose mass and gravitational force is so great that not even light cn escape. [image] |
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| the idea that the universe started a huge explosion about 15 billion years ago. [image] |
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| a point in the earths orbit aroud the sun where daylight is either the longest or the shortest amount possible |
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| the comination of less massive elements tp form massive elements |
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| a crown f glowing gases around the sun that can be seen during a total solar eclipse |
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