Although the light year is a
commonly used unit, astronomers
prefer a different unit called the parsec (pc). A parsec, equal to 3.26
light years, is defined as the distance at which 1 Astronomical Unit subtends an
angle of 1 second of arc (1/3600 of a degree) When we use the parsec for really
large distances, we often put a prefix in front of it - like kiloparsecs (kpc),
which are equal to 1000 parsecs - or Megaparsecs (Mpc), equal to a million
parsecs.
The Milky Way is about 1,000,000,000,000,000,000 km
(about 100,000 light years or about 30 kpc) across. The Sun does not lie near
the center of our Galaxy. It lies about 8 kpc from the center on what is known
as the Sagittarius arm of the Milky Way.
Answer:
True, majority of the earth energy source comes from the <u>internal motion</u> but rest comes from outside.
Explanation:
- Earth gets its energy from the interior of the planet like the core which forms the most essential driving force of the planet it not just only regulate the flow of geomaterial from the bottom to the top but also acts as a geothermal source for various energy process.
- As we know this is called the Endogenetic force of the planet caused due to the earth rotation without which earth would have been dead long ago. The external forces of Denudation which break down the landscape from above are of Exogenic in nature.
- The sun's rays that are 100% at the surface of the earth but, come down o only 50% at the ground level as most of it gets deflected by the natural Albedo of the earth with is 35%. This partial absorption, deflection, and then reflection
- Thus this process is a temporary phase as all this gets reradiated back in a long wave from at night.
- Thus internal thermodynamics has a huge role to play in the formation of earth energy processes.
Answer:
The answer it's on the Explanation:
Explanation:
The origins of the great civilization known as the Byzantine Empire can be traced to 330 A.D., when the Roman emperor Constantine the Great dedicated a "new Rome" on the site of the ancient Greek colony of Byzantium. Though the western half of the Roman Empire fell in 476, the eastern half survived for 1,000 more years, spawning a rich tradition of art, literature and learning and serving as a military buffer between the states of Europe and the threat of invasion from Asia. The Byzantine Empire finally fell in 1453, after an Ottoman army stormed the Byzantine Empire during the reign of Constantine XI.
Fertile farming land and and a lot of farmers use this land to day mostly for farming and to live on
