888

Considerations as to the size of the sun.

Take the measure of the sun at the solstice in mid-June.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

887 * 889

XIII * XVI

Notebooks of Leonoardo da Vinci

XIV: Anatomy, Zoology and Physiology.

. . .

The principles of astronomical perspective.

868,

869,

870,

871,

872,

873

On the luminosity of the Earth in the universal space.

874,

875,

876,

877,

878

The question of the true and of the apparent size of the sun.

879,

880,

881,

882,

883,

884

Of the nature of Sunlight.

885

Considerations as to the size of the sun.

886,

887,

888,

889,

890,

891

On the luminousity of the moon.

892,

893,

894,

895,

896,

897,

898,

899,

900,

901

Explanation of the lumen cinereum in the moon.

902

On the spots in the moon.

903,

904,

905,

906,

907

On the moon’s halo.

908

. . .