What is the Moon made of?
The average composition of the lunar surface by weight is roughly 43% oxygen, 20% silicon, 19% magnesium, 10% iron, 3% calcium, 3% aluminum, 0.42% chromium, 0.18% titanium and 0.12% manganese. Orbiting spacecraft have found traces of water on the lunar surface that may have originated from deep underground.
Are there cliffs on the Moon?
After more than six years in orbit and imaging nearly three-quarters of the moon’s surface, LRO has detected more than 3,200 of these fault scarps. These cliffs are the most common tectonic feature on the moon, and are typically dozens of yards or meters high and less than about 6 miles (10 kilometers) long.
Who made the first map of the Moon?
astronomer Giovanni Domenico Cassini
Intro. This is the first scientific map of the moon, and was produced in Paris by the famous astronomer Giovanni Domenico Cassini. Working in the 1670s, Cassini used a telescope to make careful observations of the moon’s pock-marked surface.
Is gold on the Moon?
Digging a little deeper than the Moon’s crust, scientists have discovered that the Moon does indeed have a number of precious metals such as gold and silver.
Are moonquakes real?
Moonquakes – as they are known on the moon – are produced as a result of meteoroids hitting the surface or by the gravitational pull of the Earth squeezing and stretching the moon’s interior, in a similar way to the moon’s tidal pull on Earth’s oceans.
Who made the first atlas?
cartographer Abraham Ortelius
On this day in 1570, the first modern atlas—Theatrum orbis terrarum, or Theatre of the World—was published. The author was Flemish cartographer Abraham Ortelius. Theatrum was unique from previous map collections because the 70 maps on 53 pages had uniform style and text.
Who is the father of modern Selenography?
Tobias Mayer (1723-1762), a mathematician, astronomer and German cartographer, undertakes lunar cartography with a new precision, by using a micrometer integrated in the telescope. Mayer’s observations begins in 1748 for the creation of a map and a world map.
How old is the water I drink?
The water on our Earth today is the same water that’s been here for nearly 5 billion years. So far, we haven’t managed to create any new water, and just a tiny fraction of our water has managed to escape out into space. The only thing that changes is the form that water takes as it travels through the water cycle.
Does water have an age?
So in other words, the age of that water is about 1870 on average. The time variables in the water cycle, therefore, have major impacts for the management of water resources, especially when we want to better understand and limit the effects from contamination and pollution.
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