The Himalayas are currently the tallest mountain range, but they're also extremely young, and have not existed for most of the history of the Earth.
I don't definitively know what the tallest mountain range ever on Earth would be, but I do know that the Appalachian range has been consistently above water for about 400 million years (very few places on Earth can make this claim), and was taller than the Himalayas at its peak height.
A professional geologist interested in orogenies would definitely know this, as well as anyone can.
The highest known mountain is Mount Olympus on Mars. It is 22 kilometers high. (That's a bit over 72,000 feet.) The highest mountain above sea level on Earth is Mount Everest (on the border of Nepal and Tibet) at 29,029 feet; but the tallest mountain on Earth is Mauna Kea in Hawaii. From where it starts under the ocean to its very peak it is 33,465 feet tall.
Mt. Everest. Sagarmatha Zone, Nepal. It reaches a total elevation of 8,848 m (29,029 ft). It is currently thought of as the tallest mount on earth.
Mount Everest is located in the Mahalangur section of the Himalayas, which are located in Asia. It is the highest mountain on Earth.
Olympus Mons on Mars is the highest volcanic mountain in the solar system, reaching an elevation of about 13.6 miles (22 kilometers). It is nearly three times the height of Mount Everest, the tallest mountain on Earth.
Mount Everest, located in the Himalayas in Asia, is the highest peak on Earth and is considered the largest fold mountain in the world.
mt.everest
Earth's highest landform is mountains. The tallest mountain is Mount Everest (8850m and still increasing).
its a mountain called k2
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Mount Everest is the highest peak in the Himalaya Mountain Range, and it is also the highest mountain peak on Earth.
The second-highest mountain on Earth is called K2 and is located on the border of China and Pakistan. Other names for the mountain are Chhogori and Kechu.
Everest
Everest
The highest form of land on the earth's surface is called a mountain or a peak.
The Earth's highest mountain - Mount Everest - measures 29,029 feet to its summit.
The highest point on the earth is Mt. Chimborazo in Ecuador in the Andes mountain chain.
The highest mountain peak on Earth is Mount Everest, standing at 29,032 feet (8,848 meters) above sea level.