Fourteen Weeks in Descriptive Astronomy |
From inside the book
Results 6-10 of 65
Page 48
... miles in diameter and 200,000 miles long were plunged , end first , into the sun , it would melt in a second of time . APPARENT SIZE . — It appears to be about a half de- gree in diameter , so that 360 disks like the sun , laid side by ...
... miles in diameter and 200,000 miles long were plunged , end first , into the sun , it would melt in a second of time . APPARENT SIZE . — It appears to be about a half de- gree in diameter , so that 360 disks like the sun , laid side by ...
Page 52
... miles in diameter . Sir J. W. Herschel calculated that one which he saw was 50,000 miles in diameter . In 1843 one was seen which was 14,816 miles across , and was visible to the naked eye for an entire week . On the day of the eclipse ...
... miles in diameter . Sir J. W. Herschel calculated that one which he saw was 50,000 miles in diameter . In 1843 one was seen which was 14,816 miles across , and was visible to the naked eye for an entire week . On the day of the eclipse ...
Page 53
... miles long , and had an area of twenty - five billion square miles . If these are deep openings in the luminous atmos- phere of the sun , what an abyss must that be at " the bottom of which our earth could lie like a boulder in the ...
... miles long , and had an area of twenty - five billion square miles . If these are deep openings in the luminous atmos- phere of the sun , what an abyss must that be at " the bottom of which our earth could lie like a boulder in the ...
Page 60
... miles long , to lofty , piled - up , mountain- ous regions 40,000 miles long and 4,000 broad . Out- side of the spots , the entire disk of the sun is covered with minute shady dots , giving it a mottled appear- ance not unlike that of ...
... miles long , to lofty , piled - up , mountain- ous regions 40,000 miles long and 4,000 broad . Out- side of the spots , the entire disk of the sun is covered with minute shady dots , giving it a mottled appear- ance not unlike that of ...
Page 69
... - ing point to represent Jupiter ; a small orange two- fifths of a mile for Saturn ; a full - sized cherry three- quarters of a mile distant for Uranus ; and lastly , a plum 14 miles off for Neptune , the most distant THE PLANETS . 69.
... - ing point to represent Jupiter ; a small orange two- fifths of a mile for Saturn ; a full - sized cherry three- quarters of a mile distant for Uranus ; and lastly , a plum 14 miles off for Neptune , the most distant THE PLANETS . 69.
Other editions - View all
Common terms and phrases
ancients Andromeda angle aphelion appear Aries astronomers atmosphere axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune night node north pole Orion parallax pass path penumbra perihelion Perseus Pisces polar Polaris precession rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter Zodiac