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Navigating and enjoying the thrill of horror and scare experiences
Historical knowledge of Halloween and its origins
Understanding and appreciating Halloween traditions worldwide
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137 reads
MORE IDEAS ON THIS
Ice storms happen when snow enters a warm layer of the atmosphere and melts into raindrops. Then it passes through a cold layer of air. As the rain falls through the thin cold layer, it immediately turns to ice, resulting in a thick coating of ice that turns side...
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184 reads
Greenland's ice sheet is the second largest ice mass on Earth after the Antarctic ice sheet. It contains 10 percent of the world's glacial ice, and it's melting at a whopping 8000 tons per second.
More than two-thirds of Earth's fresh water is stored in glaciers
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154 reads
Climatologists drill cylinder-shaped samples of ice from glaciers, then analyse the dust, minerals, ash, gas bubbles, and pollutants that have collected in snow for millennia.
They use this data to determine details about forest fires, volcanic activity, sea ice extent, solar variability, a...
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158 reads
Ice provides most of the world's fresh water supply, keeps sea levels from rising dangerously, and gives us important information about past and future climate.
Ice on Earth is named cryosphere - the frozen water part of the Earth system.Β It includes all types of frozen wat...
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1.66K reads
The most effective method to prevent food from spoiling was to preserve food with blocks of ice. In the early 1800s, ice harvesting was an industry where horse-drawn ice cutters pulled thick ice blocks from frozen lakes for use in insulated ice houses and cellars.
By the late 19th century, ...
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179 reads
Water and ice are made of the same stuff. In water, molecules can fill in gaps and pack themselves more tightly, while ice is less dense and therefore able to float on water.
However, heavy water ice sinks. (Hydrogen atoms have a proton and a neutron, but only a proton in n...
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246 reads
Icebergs and glaciers often appear blueish green. This is because the air bubbles that accumulate on top of an iceberg get compressed, and more light penetrates the ice.
Longer colour wavelengths like red and yellow get absorbed by the ice, while shorter wavelengths of colo...
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176 reads
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Sumerian astronomers named the sun, moon, Mercury, Venus, Mars, Jupiter and Saturn after their gods. Ancient China named planets after things of nature, like water, fire, or wood. The English names for planets came from the Romans, who named them after their gods and goddesses.
More distan...
Saturn took shape when the rest of the solar system formed about 4.5 billion years ago, when gravity pulled swirling gas and dust in to become this gas giant.Β
About 4 billion years ago, Saturn settled into its current position in the outer solar system, where it is the sixth planet from th...
Nine spacecrafts have studied jupiter up close. NASA'S Juno spacecraft is currently studying the gas giant planet from orbitΒ
The spacecraft, which arrived at Jupiter in July 2016, is the first to study the planet's mysterious, cloud-shrouded interior. Scientists also use the Earth-orbiting...
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