An aurora seen as armies fighting in the sky.
A shower of meteors seen as knights fighting with swords.
A meteorite falling to earth.
The comet of 249 AD.
The comet of 384 AD.
The comet of 1479 seen through clouds.
A comet seen as horsemen with lances.
A meteor shower of 103 BC.
The comet of 1596.
John Dalton's diagram showing the reason for the curved appearance of the aurora.
A sun-grazing comet.
A Medieval siege tower.
One of the Blemmyae.
A total solar eclipse.
Aurora borealis over trees
Aurora borealis, Svalbard, Norway
Aurora Borealis in Alaska
Aurora Borealis over trees
Aurora borealis and australis
Aurora borealis, Whitley Bay, UK
Aurora borealis, Druridge Bay, UK
Aurora borealis over a tent
Aurora and comet Ikeya-Zhang
Aurora Borealis and Photographer, Alaska
Digital illustration of aurora borealis from space
Aurora Borealis from Earth and space
Milky way and the Aurora Borealis
Aurora borealis seen from the ISS
Japanese naval forces fighting the Russian Men-of-war
Mars and the Earth, historical diagram
1532 A war machine in the form of a horse
Aurora Borealis 19th century engraving
Denison Olmsted, American physicist
Perucssion Instruments
A baton a feu being used.
MILITARY EQUIPMENT, 1777.
The Chinese Comet of 1092.
Aurora Australis
Jacob's Ladder.
Earth-like extrasolar planet, artwork
Solar flares and Earth, artwork
Solar flare threatening Earth
The organs of the body and the planetary influences.
Ancient astronomy tools.
AURORA AUSTRALIS, 1992.
AURORA AUSTRALIS, 1994.
Aurora Australis, ISS image.
Aurora borealis in Alaska
Aurora on Jupiter, artwork
Aurora on Saturn
Aurora seen from space, artwork
Aurora Borealis photographed from Alaska
1532 Portrait Military author Vegetalius
Aurora on Proxima's Planet
1532 A medieval dive helmet aqualung
1532 A medieval diving suit Vegetalius
Aurora borealis or northern lights and Orion
Aurora Borealis or northern lights, with comet
Knights jousting.
Aurora over the Great Lakes, USA, ISS image
Aurora borealis or northern lights over a forest
Auroras at night, satellite image
Aurora borealis corona, artwork
Observations of the Earth during the day and night.
Observations on Earth taking the elevation of the Sun.
Aurora.
Russian Troops Crossing Danube River, "Classical Portfolio of Primitive Carriers", by Marshall M. Kirman, World Railway Publ. Co., Illustration, 1895
The Last Judgement.
A bookbinder's workshop.
Richard I of England.
Aurora Borealis
Woman hatching baby
Alix Of Hesse And By Rhine Later Alexandra Feodorovna Romanova
Battle at Kawanakajima by Yoshikazu Utagawa
A 16th Century Tudor naval ship or Carrack.
Natives from the Congo.
A dice maker's workshop.
A schoolboy being birched.
Men and women bathing.
Jodocus Hondius' map showing the Straits of Magellan and Terra del Fueogo.
Gunners using a clinometer and a quadrant.
A small cannon mounted on a horse-drawn sledge.
A clerk writing down evidence given by a witness.
The flensing of a whale.
A Flemish weaver.
A servant bringing food to his master.
A bolide meteor.
German Military
The casting of iron pipes.
Francois Perrier.
Asteroid defence missile, artwork
Woodcut illustration shows the allied armies advancing toward the Boxer forces
Japanese and Russian cavalry troops on horseback fighting each other.
Sun and clouds, historical artwork
Napoleon at the Battle of Lutzen, 2 May 1813.
Napoleon Bonaprte leading his troops across the bridge at Arcole (Arcola).
The Battle of Moscow, 7 September 1812.
Battle of the Pyramids also called Battle of Embabeh, 21 July 1798.
GERMANY: TROOPS, 1532.
Charles Napier (1786 - 1860)
Young Japanese Samurai on Horseback, Okumura Masanobu, Woodblock Print, 1745
Gunner firing a cannon, 16th century
Joshua, David and Judas Maccabeus.
A comet in the 3rd century.
Birr Castle.
The defeat of the armies in the Llobregat.
Aurora borealis
Khalkhin gol battle, east mongolia (manchukuo), august 1939, soviet red army fighting japanese (kwangtung army).
World war 2, soviet t-34 tanks during street fighting in poznan, poland, february 1945.
Comets and meteors.
The seasonal occupations of the earth and the signs of the Zodiac governing them.
Jupiter's Aurora
Aurora Borealis, Lapland, Sweden
Aurora Borealis, Norway
Aurora borealis, Norway
フィンランドのオーロラ
Scandinavia at night, ISS image
Aurora in sky,Finland
American Civil War, battle of ironclads
Aurora
Exoplanet with aurorae, illustration
Magnetic field around an exoplanet, conceptual illustration
Planet in outer space, illustration
Earth's magnetic field, illustration
Jupiter and Io interaction, illustration
Jupiter's magnetosphere, illustration
Red dwarf seen from a planet, illustration
Hot Jupiter Orbiting T Taui Star
Kepler-35 planetary system, artwork
Interbol satellites, diagram
Aurorae on Jupiter, Chandra X-ray image
Pulsar planet
Alien planet
Planets orbiting a pulsar, artwork
Extrasolar planet Pollux b, artwork
Epsilon Eridani system, illustration
Aurorae on Saturn, composite image
Earth's atmosphere, illustration
Juno spacecraft and Jupiter, illustration
Sun-like star Kappa ceti b, illustration
Aurorae on Proxima Centauri b, illustration
Exoplanet PSR B1257+12 b, illustration
Pulsar planet, illustration