On January 2, 2021, Earth is closer to the sun in its elliptical orbit than on any other day of the year, marking an annual event known as perihelion. Is the Earth getting closer to the sun 2021? The sun’s weaker gravity as it loses mass causes the Earth toRead More →
This earth too. When we will reach our carrying capacity (I hope we will not see anytime), water, food, shelter and resources will be very limited (per capita). People will be unhappy due to hunger (or maybe due to other reasons). … The Earth will be fine but will haveRead More →
Unlike the Earth, Mars has no inner dynamo to create a major global magnetic field. This, however, does not mean that Mars does not have a magnetosphere; simply that it is less extensive than that of the Earth. … In addition to particles, the solar wind carries magnetic field linesRead More →
The global growth rate in absolute numbers accelerated to a peak (92.9 million) in 1988, but has declined to 81.3 million in 2020. What is the ideal population for Earth? The optimum population of Earth – enough to guarantee the minimal physical ingredients of a decent life to everyone –Read More →
Carbon is the basic building block of life . This is the reason carbon dating is effective, all living organisms contain carbon. Also, carbon is so important to life because virtually all molecules in the body contain carbon. … For this reason it can form long chain molecules, each withRead More →
Phosphorus cycle. Sulfur cycle. Rock cycle. Water cycle. What are the 4 cycles of Earth? Some of the major biogeochemical cycles are as follows: (1) Water Cycle or Hydrologic Cycle (2) Carbon-Cycle (3) Nitrogen Cycle (4) Oxygen Cycle. The producers of an ecosystem take up several basic inorganic nutrients fromRead More →
Yet in reality the two planets can never get close to colliding, for two reasons. … That puts them in a so-called gravitational resonance, where each planet speeds up or slows down as the other approaches, which alters their paths and prevents them coming closer than around 2600 million kmRead More →
: a plot or graph in the shape of a figure eight that shows the position of the sun in the sky at a given time of day (such as noon) at one specific locale measured throughout the year Affix a camera to a sturdy mount … and take aRead More →
Where on earth is helium found? Wherever large deposits of uranium are located, Helium will also be found. Most of the world’s Helium comes as a byproduct of decaying uranium and fossil fuels. Today, the world’s Helium supply relies on reserves in the United States, the Middle East, Russia andRead More →
It lasted approximately 56 million years, starting at the end of the Triassic Period, around 201.3 million years ago, and ending at the beginning of the Cretaceous Period, about 145.5 million years ago. What is the current cosmic year? Galactic year is also known as cosmic year. Everything in theRead More →