Who invented the Celsius scale?
Anders Celsius was a Swedish astronomer who built the Uppsala Observatory and invented the Celsius (or centigrade) thermometer scale. Anders Celsius was born on November 27, 1701 in Uppsala, Sweden. He was a Swedish astronomer who taught at the University of Uppsala.
How many miles per hour does the earth move around the sun?
The circumference of the Earth at the equator is 25,000 miles. The Earth rotates in about 24 hours. Therefore, if you were to hang above the surface of the Earth at the equator without moving, you would see 25,000 miles pass by in 24 hours, at a speed of 25000/24 or just over 1000 miles per hour.
What is the color of the black box in a commercial airplane?
Black box or flight data recorder, mounted in the tail of an aircraft, is one of the most important gadgets that is used to reconstruct the events leading to a plane crash. The term "Black Box", however, is a misnomer as its colour is orange. This is done for easier location after a crash.
How many time zones are there in all?
Given a 24-hour day and 360 degrees of longitude around the Earth, it is obvious that the world's standard time zones have to be 15 degrees wide, on average. It is worth mentioning that some sources claim there are 24 standard time zones, while others say there are 25 time zones.
What mountain range runs through Pennsylvania?
Blue Mountain is a ridge that forms the eastern edge of the Appalachian mountain range in the U.S. state of Pennsylvania. It cuts across the eastern half of the state from New Jersey to Maryland, providing a distinct boundary between a number of Pennsylvania's geographical and cultural regions.
Is Mt Everest the tallest mountain in the world?
Mount Everest is the highest, but the tallest is actually Mauna Kea in Hawaii. This is because 'highest' is defined as a measure of mean sea level to summit, while 'tallest' is a measurement from the bottom of the mountain to the top. From it's base to it's tip, Mauna Kea measures 33,465 feet.
What was the first bird to be domesticated by man?
The goose was the first bird to be domesticated by man. An ancient story tells how a flock of white geese raised the alarm when Rome was attacked by the Gauls, and thus saved the city.
How many books did Dr Seuss write before he died?
Between 1937 and 1991, when he died aged 87, he published more than 40 books, which have sold half a billion copies between them - more even than J K Rowling's Harry Potter books. He nearly burned his first book, And to think that I saw it on Mulberry Street, after it was turned down by 27 publishers.
Who put the flag on the moon?
Apollo 11 blasted off on July 16, 1969. Neil Armstrong, Edwin "Buzz" Aldrin and Michael Collins were the astronauts on Apollo 11. Four days later, Armstrong and Aldrin landed on the moon. They landed on the moon in the Lunar Module.
When did Cape Canaveral change its name?
On November 28, 1963 President Lyndon B. Johnson announced in a televised address that Cape Canaveral would be renamed Cape Kennedy in memory of President John F. Kennedy, who was assassinated six days earlier. President Johnson said the name change had been sanctioned by the U.S. Board of Geographic Names.