Term
|
Definition
| a point in Earth's orbit around the sun where daylight is either the longest or the shortest amount possible |
|
|
Term
|
Definition
| a point in Earth's orbit around the sun where nights and days are the same length |
|
|
Term
|
Definition
| a darkening of the moon when it passes through Earth's shadow |
|
|
Term
|
Definition
| the rise and fall of water in the ocean and seas caused mainly by the gravitational pull of the moon on Earth |
|
|
Term
|
Definition
| a system of billions of stars, gases, and dust[image] |
|
|
Term
|
Definition
| brilliant objects in space that may be the powerhouses of developing galaxies [image] |
|
|
Term
|
Definition
| cloud of gas and dust in space[image] |
|
|
Term
|
Definition
| a star that has swelled and glows with a red color[image] |
|
|
Term
|
Definition
| the explosion of a star, releasing huge amounts of light and energy [image] |
|
|
Term
|
Definition
| an invisible object in space whose mass and gravitational force is so great that not even light can escape[image] |
|
|
Term
|
Definition
| the idea that the universe started a huge explosion about 15 billion years ago [image] |
|
|
