INTENDED FOR THE

INSTRUCTION AND ENTERTAINMENT

OF

YOUNG PEOPLE:

IN WHICH

THE FIRST PRINCIPLES

OF

NATURAL AND EXPERIMENTAL

PHILOSOPHY

ARE FULLY EXPLAINED.

VOL. II. OF ASTRONOMY.

"Conversation, with the habit of explaining the meaning of words,
"and the structure of common domestic implements to children, is the
"sure and effectual method of preparing the mind for the acquirement of
science." EDGEWORTH'S PRACTICAL EDUCATION.

BY THE REV. J. JOYCE.

A NEW EDITION, CORRECTED AND IMPROVED.

LONDON:

JOY,

PRINTED FOR BALDWIN, CRADOCK, AND
PATERNOSTER ROW; AND R. HUNTER (SUCCESSOR
TO J. JOHNSON), ST. PAUL'S CHURCK-YARD.

C. WOOD, Printer,

Poppin's Court, Fleet Street.

CONTENTS

TO

VOL. II.

Conversation

1. Of the Fixed Stars.......

II. Of the Fixed Stars...............

III. Of the fixed Stars, and Ecliptic..........

IV. Of the Ephemeris........

V. Of the Solar System........

VI. Of the Figure of the Earth...........

... 59

VII. Of the Diurnal Motion of the Earth........ 70

VIII. Of Day and Night.......

.... 83

IX. Of the Annual Motion of the Earth........ 93

sioned by our long walk, has af forded us one of the most brilliant views of the heavens that I ever

saw.

James. It is uncommonly clear; and the longer I keep my eyes fixed upwards, the more stars seem to ap pear: how is it possible to number these stars? and yet I have heard

VOL. II.

B