Originally posted on kiranvoid:
If Star Layer A is twice as far from Earth as Star Layer B, then the amount of light that reaches us from each star in A is only one-fourth the amount of light that reaches us from each star in B; but there are four times as many stars in…
A light-year is how astronomers measure distance in space. It’s defined by how far a beam of light travels in one year – a distance of six trillion miles. Think of it as the bigger, badder cousin of the inch, the mile, the kilometer, and the furlong. If you like to keep up with what’s […]Read more "A light-year"
It Only Takes a Second.. 29.8 Km Distance travelled by Earth in orbit around the Sun….Read more "Earth Travels in One Seconds"
Why aren’t there eclipses at every full and new moon? There’s not an eclipse at every new and full moon, but there are from four to seven eclipses every year. Some are lunar, some are solar, some are total, and some are partial. A lunar eclipse happens when the Earth, sun and moon align in […]Read more "“There’s not an eclipse at every new and full moon, but there are from four to seven eclipses every year”"
“Many believe Earth’s changing distance from the sun causes the change in the seasons. But that is not the case.” Nearly everyone enjoys the change of seasons on Earth – from winter to spring, from summer to fall. But why do our seasons change? Many believe Earth’s changing distance from the sun causes the change […]Read more "“The Four Seasons of The Earth”"
Water is a transparent fluid which forms the world’s streams, lakes, oceans and rain, and is the major constituent of the fluids of living things. As a chemical compound, a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water is a liquid at standard ambient temperature and pressure, […]Read more "“The Water on Earth is likely older than The Solar System itself”"