WHO estimated the size and distance to Moon and sun?

WHO estimated the size and distance to Moon and sun?

“194/195 BC), a Greek mathematician who calculated the circumference of the Earth and also the distance from the Earth to the Sun. Hipparchus (c. 190 – c. 120 BC), a Greek mathematician who measured the radii of the Sun and the Moon as well as their distances from the Earth.”

Who was the first person to determine the relative sizes of the Moon and sun?

“Aristarchus estimated the sizes of the Sun and Moon as compared to Earth’s size. He also estimated the distances from the Earth to the Sun and Moon. He is considered one of the greatest astronomers of antiquity along with Hipparchus, and one of the greatest thinkers in human history.”

Who invented the calculation of the distance between the Earth and the Moon?

“Two independent methods, two genius minds: How Aristarchus and Hipparchus calculated the Earth-Moon distance. So far, Earth and Moon’s sizes are not puzzles anymore for us. They are quite well known since Erathosteneles derived the first and Aristarchus the second.”

Who first calculated the distance between Earth and sun?

“In 1653, astronomer Christiaan Huygens calculated the distance from Earth to the sun.”

Who first calculated the size of the Sun?

“With a stade of 185 m (607 ft), 804,000,000 stadia is 149,000,000 km (93,000,000 mi), approximately the distance from the Earth to the Sun. Eratosthenes also calculated the Sun’s diameter. According to Macrobious, Eratosthenes made the diameter of the Sun to be about 27 times that of the Earth.”

Who first calculated the size of the Moon?

“​Aristarchus realised that by investigating the motion of the Moon in the Earth’s shadow he could estimate its relative size. We do not know for certain how exactly he did this but one method, and quite possibly the one he used, would be to measure the various timings of the eclipse.”

Who was created for determining the relative position of the Sun the Moon and Earth during lunar and solar eclipses?

“Hipparchus’s most important astronomical work concerned the orbits of the Sun and Moon, a determination of their sizes and distances from Earth, and the study of eclipses.”

Who has calculated first time the size of the Earth?

“Earth’s circumference was first accurately measured more than 2,000 years ago by the Greek astronomer Eratosthenes, who at the time lived in the Egyptian city of Alexandria.”

Who was the first scientist to say the Earth revolves around the Sun?

“In 1543, Nicolaus Copernicus detailed his radical theory of the Universe in which the Earth, along with the other planets, rotated around the Sun. His theory took more than a century to become widely accepted.”

Who discovered distance between Earth and sun in Hanuman Chalisa?

“Many devotees regularly recite Hanuman Chalisa, a prayer glorifying Shri Hanuman, composed by this great saint and poet. It is believed that in one of these verses of Hanuman Chalisa, Tulasidasa had given an accurate calculation of the distance between the Sun and Earth.”

Who calculated the Earth’s size?

“The first person to determine the size of Earth was Eratosthenes of Cyrene, who produced a surprisingly good measurement using a simple scheme that combined geometrical calculations with physical observations. Eratosthenes was born around 276 B.C., which is now Shahhat, Libya. He studied in Athens at the Lyceum.”

How did scientists calculate the size of the Sun?

“They used the Michelson Doppler Imager (MDI) aboard NASA’s Solar and Heliospheric Observatory (SOHO) to make the measurements. They measured the Sun’s radius as 696,342 km (432,687 miles) with an uncertainty of only 65 km (40 miles).”

Who measured the size of the Sun?

“Rock Bush of Stanford University. They used the Michelson Doppler Imager (MDI) aboard NASA’s Solar and Heliospheric Observatory (SOHO) to make the measurements. They measured the Sun’s radius as 696,342 km (432,687 miles) with an uncertainty of only 65 km (40 miles).”

Who measures the distance to the Moon?

“This distance is routinely measured using LIDAR (LIght Detection And Ranging) stations which bounce laser pulses off of the retroreflecting mirrors placed on the Moon by the Apollo astronauts.”