Add to ORKGIn most disciplines, finding the distance from one object to the next is, at least in theory, a simple operation. Not so in astronomy. While the size of Earth itself was determined with a fair degree of accuracy in ancient times, the scale of the solar system wasn’t fully understood until just a few centuries ago, and the distances to even the closest of stars wasn’t reliably determined until Friedrich Bessel measured the distance to 61 Cygni in 1838
We present astronomical estimates about the Earth, Moon, Sun and the nearest fixed stars, in partic...
The objective of this activity is to help students comprehend the vast distances between the stars, ...
How do we know the distance of the sun from the earth? Or that of the nearest galaxy to our own? Thi...
<p>For the uninitiated, parallax is a fancy term for triangulation, which we humans naturally do in ...
It is straightforward to determine the size of the Earth and the distance to the Moon without using ...
One of the most consequential inventions of modern times is the telescope. Almost immediately upon t...
Previous empirical studies using multiple-choice procedures have suggested that there are miscon-cep...
Mankind has been always interested in distances to far objects. From old civilizations to nowadays, ...
Distance perception refers to a process in which an observer perceives an interval between two point...
In this hands-on activity, students explore the relationship between angular width, actual size, and...
Distance determination is an essential technique in astronomy, and is briefly covered in most textbo...
Measurement of distances in astronomy requires considering optical properties of media through which...
How far away are the stars? You might think that astronomers should know, but distances to the stars...
Motion parallax is widely regarded as providing metric depth information that is equal or superior t...
For my honors contract in the field of Astronomy, I decided to replicate the Greek scholar Eratosthe...
We present astronomical estimates about the Earth, Moon, Sun and the nearest fixed stars, in partic...
The objective of this activity is to help students comprehend the vast distances between the stars, ...
How do we know the distance of the sun from the earth? Or that of the nearest galaxy to our own? Thi...
<p>For the uninitiated, parallax is a fancy term for triangulation, which we humans naturally do in ...
It is straightforward to determine the size of the Earth and the distance to the Moon without using ...
One of the most consequential inventions of modern times is the telescope. Almost immediately upon t...
Previous empirical studies using multiple-choice procedures have suggested that there are miscon-cep...
Mankind has been always interested in distances to far objects. From old civilizations to nowadays, ...
Distance perception refers to a process in which an observer perceives an interval between two point...
In this hands-on activity, students explore the relationship between angular width, actual size, and...
Distance determination is an essential technique in astronomy, and is briefly covered in most textbo...
Measurement of distances in astronomy requires considering optical properties of media through which...
How far away are the stars? You might think that astronomers should know, but distances to the stars...
Motion parallax is widely regarded as providing metric depth information that is equal or superior t...
For my honors contract in the field of Astronomy, I decided to replicate the Greek scholar Eratosthe...
We present astronomical estimates about the Earth, Moon, Sun and the nearest fixed stars, in partic...
The objective of this activity is to help students comprehend the vast distances between the stars, ...
How do we know the distance of the sun from the earth? Or that of the nearest galaxy to our own? Thi...