The Sun, stars, Planets, orbit, closest and farthest from the sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune, inner and outer planets, moons, asteroids
The order from smallest to largest is Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter. Earth is the largest of the rocky inner planets.
Dwarf Planets, Ceres, telescope, The Hubble Space Telescope, Space probes , Phoenix Mars Lander, scientific instruments, Mars Exploration Rover,
Benchmark, solar radii, solar luminosities, Energy from Stars, red dwarfs, white dwarfs, Properties of Stars: color, sizes, brightness, light energy, our sun
patterns, Egyptians and ancient Chinese people described constellations thousands of years ago, Ursa Major, Polaris (North Star), Little Dipper, Big Dipper, Cassiopeia, Cepheus, Ursa Minor (the Little Dipper), circumpolar, Stars and Planets, astronomer
4. Day and Night
Why There Are Day and Night, sunrise and sunset, Around what does Earth rotate?, How long does Earth take to rotate once? As Earth spins, the part facing the sun has. Where does the sun set?
Meteorological seasons, Temperate climates, equator , climate belts, the imaginary Arctic and Antarctic Circles. (June-Northern Hemisphere, December Southern Hemisphere), or rise (December-Northern Hemisphere, June-Southern Hemisphere), Tropics of Cancer and Capricorn. , Causes of Four Seasons, Why is it warmer in summer than in winter? Northern and Southern Hemispheres , Length of Day and Night, How long day and night are also changes with the seasons.
6. Phases of the Moon
Full moon, waxing gibbous, first quarter, waxing crescent, new moon, waning crescent, last quarter, Waning gibbous, The Order of Moon Phases