I stumbled upon an amazing web page showing what did ancient Earth look like. On “Dinosaur Pictures and Facts” web page (dinosaurpictures.org), there’s also an interactive animation. On this page, you can either select the years (i.e. 600 million years ago) or jump to a particular event (i.e. first multicellular life) and see how ancient Earth did look like then. You can also remove the clouds and stop the Earth’s rotation if you want to.
Continue reading What did Ancient Earth Look Like
How far away can you get from everybody else on Earth? A video, published by RealLifeLore channel on YouTube answers this very question. The answer is “actually quite far”, there are a lot of extremely remote places left in the world and some of them have actually yet to be reached by anybody in all of history. The world is an enormous place. Here are the most remote places on Earth.
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According to a new study, the Moon might have been formed a thousand years earlier than Earth. The new, “synestia theory” suggests a Mars-sized object smashed into the proto-Earth. The “giant impact” vaporized about 10 percent of the rock and liquefied the rest, and created a rapidly spinning donut-shaped mass of vaporized rock called “synestia”. The synestia eventually shrunk and cooled. Computer models demonstrated that the Earth subsequently emerged about 1,000 years after the moon.
Continue reading Moon has been formed earlier than Earth? The “Synestia Theory” says so
An amazing time-lapse video of Earth from the geostationary orbitNotes 1. The video was generated from the images taken by Japanese weather satellite Himawari 8, which takes a photo of Earth every 10 minutes. Himawari 8 is the 8th of the Himawari geostationary weather satellites operated by the Japan Meteorological Agency.
Continue reading Watch: Earth from the Geostationary Orbit
Earth’s outer shell is divided into multiple plates that slowly glide over the mantle. The movement of these plates slowly changes Earth’s surface over time by merging, or separating, continents. 250 million years from now, consistent with the supercontinent cycleNotes 1, there will be a possible future supercontinent called Pangaea Ultima. Hypothesized by Christopher Scotese, a geologist at the University of Texas at Arlington, Pangaea Ultima earned its name from its similarity to the previous Pangaea supercontinent, which was formed about 335 million years ago, and began to break apart about 175 million years ago. Here is a beautiful video published by the Tech Insider channel showing the formation of this supercontinent.
Continue reading Watch: How Earth will look in 250 million years
How old is the Earth? This question preoccupied first philosophers, then scientists, for many centuries. Today, we know that the age of the Earth is approximately 4.54 billion years, with an error range of about 50 million years (4.54 × 109years ± 1%). This number is based on evidence from radiometric dating of the oldest-known terrestrial rocks as well as lunar rock samplesNotes 1 and meteorites.
Continue reading The Earth is 18 Galactic Years Old
Every year, there are two Equinoxes (around March 20 and September 23) and two Solstices (on about June 21 and December 21). Spring and autumn start with an equinox – daylight and nighttime are of approximately equal duration all over the Earth during Equinoxes. Winter and summer start with a solstice – daylight time is the longest of the year during the summer solstice, and obviously, the night time is the longest during the winter solstice.
Continue reading Watch: Equinoxes and Solstices from Space
The hottest place in the Universe exists here on Earth, like the coldest place in the Universe. Both these extreme temperatures are not natural, they are human-made. The coldest temperature was achieved in the German physicist and professor of physics Wolfgang Ketterle’s laboratory at the Massachusetts Institute of Technology (MIT). The hottest temperature, also recognized by the Guinness Book of World Records, was achieved at CERN’s Large Hadron Collider (LHC).
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It may sound strange, but the coldest place in the Universe is not anywhere in the vast, cold outer space – it exists here on Earth. Well, it is not actually a natural place you can come across. It is in a laboratory in M.I.T. (Massachusetts Institute of Technology).
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In the middle of the South Pacific Ocean, there’s a location called “Point Nemo”. It’s not a place that humans live – in fact, there is no land there – not an island, not even a small rock. It is actually the remotest place from any human civilization you can find on Earth. It lies at least 2,688 km (1,670 mi) from the nearest land. It is also called “Oceanic pole of inaccessibility”.Notes 1
Continue reading Point Nemo – The Spacecraft Graveyard