The average distance from the Earth to the Sun is the unit of distance used for Solar System studies. It is called 1 Astronomical Unit (AU).n 1672 Cassini used the parallax of Mars to determine the distance to the sun. The result (140 million kilometers or 87 million miles) was within 10% of the correct answer.
An empty, cleaned wine bottle that I happened to have (okay, I drank the last few ounces of rich, sweet red wine I usually keep on hand that I use to make a marinade for my once-a-week steak) Battery-operated LED mini light set (15 lights), on sale at Walgreens a few weeks ago 3 for $10.
Lava Lites are lamps that were invented by an English man named Craven Walker in 1964. They are basically tall thin glass jars filled with liquid and a special kind of colored wax, set on top of a base with a light bulb. When the bulb is turned on, the lamp glows, the liquid heats up, and the wax begins to melt. Blobs of wax rise to the top of the lamp, then cool and sink back down--over and over again.