Your eyes and brain form an interferometer, allowing for 3D imaging.
if we know then why we use it
A telescope.
Telescopes
To compare and classify stars.
they usually use super computers
if we know then why we use it
if we know then why we use it
if we know then why we use it
if we know then why we use it
Interferometer.
the astronomers use Absolute magnitude
Plateau de Bure Interferometer was created in 1988.
It allows two or more small telescopes to achieve the angular resolution of a much larger telescope. This instrument is credited to Albert A. Michaelson.
Astronomers use infrared light to map the dust in between stars.
They use the bathroom like anyone else in a house or building. They use the restroom, they are astronomers, not astronauts.
Astronomers can use their eyes to study the stars. They can also use various telescopes that either refract, reflect, and detect exotic formations.
telescope