A: In general, pearls symbolize innocence, love, perfection and purity. Gold and black pearls are symbolic of wealth and prosperity. Fresh water pearls are thought to help open the heart to receiving love and to encourage self-love. White pearls are symbolic of faith, a pure heart, innocence and a pure mind.
He measured the angular separation of the Sun and the Moon when its phase was first or third quarter to derive the distance between Earth and Sun in terms of the distance between the Earth and the Moon. Eratosthenes (276-194 BC) also measured the distance between Earth and Sun as 804,000,000 stadia.
Forty years since the first picture of earth from space. Earthrise, December 1968 &ndash; the first picture of our world taken from space was published 40 years ago this week and still retains its haunting power. They went to the Moon, but ended up discovering the Earth. The crew of Apollo 8 were the first people to leave Earth's orbit and pass behind the far side of the Moon.