Astronomy

aristrachus of samos

A biplane

charlemagne...

venus

skylab

Mercury: None

Venus: None

Earth: Moon

Mars: Phobos

Jupiter: Ganymede

Saturn: Titan

Uranus: Titania

Neptune: Triton

*Pluto: Charon

*Pluto is not a planet but in case your are curious...

Airplane

The second syllable in the word metropolis should be accented. It should be like me-TRO-po-lis.

The moon is also called LUNA by the greeks

just kidding thats not true that it was by the greeks:)

earth eagle!

U.S. F-86 and MIG-15

orion

No, ebb tide is outgoing - neap tide is rising.

First Man into Space was created in 1959.

Waning.

In many places including the United States, winter is defined as the period from the winter solstice to the vernal equinox, spring is defined as the period from the vernal equinox to the summer solstice, summer is defined as the period from the summer solstice to the autumnal equinox, and fall or autumn is defined as the period from the autumnal equinox to the winter solstice. In the northern hemisphere, the winter solstice is the December solstice, the vernal equinox is the March equinox, the summer solstice is the June solstice, and the autumnal equinox is the September equinox. In the southern hemisphere, the winter solstice is the June solstice, the vernal equinox is the September equinox, the summer solstice is the December solstice, and the autumnal equinox is the March equinox. The dates of the March equinox range from the 19th to the 22nd of March, the dates of the June solstice range from the 19th to the 23rd of June, the dates of the September equinox range from the 21st to the 24th of September, and the dates of the December solstice range from the 20th to the 23rd of December. Examples of the earliest season start times are in 2096, and examples of the latest season start times are in 1903.