Browse Items (17 total)

'When the sun dies', Harpers

Tags: 1970s; 1973; 1973-11-1; Andrew Weil; Chalbi Desert; Chalbi Desert (Kenya); Corona; Cosmology; Description and travel; Folklore; Gabbra (African people); Kenya; Oaxaca (Mexico); Observations; Physics; Solar eclipses; Sun; Weil, Andrew

'New discoveries about the birth, life, and death of the sun and other stars', Harpers

Tags: 1950s; 1958; 1958-3-1; Andromeda Galaxy; Calif.); Cosmology; Gray, George W. (George William); Interstellar hydrogen; Mount Wilson Observatory (Calif.); Nebulae; Observations; Palomar Observatory (Mount Palomar; Photographic measurements; Physics; Stars; Sun

'How big is the universe? Notes on recent measurements of the Milky Way', Harpers

Tags: 1920s; 1925; 1925-5-1; Astronomy; Astronomy and Astrophysics; Clusters; Cosmography; Galaxies; Milky Way; Observations; Physics; Shapley, Harlow; United States

'The heavens through a spectroscope', Harpers

Tags: 1910s; 1916; 1916-10-1; Abbot, C. G. (Charles Greeley); Astronomical spectroscopy; Astronomy and Astrophysics; Observations; Physics; Solar; Spectra; Spectrum; Stars

'Death Valley and our future climate', Harpers

Tags: 1910s; 1916; 1916-5-1; Calif.); California; Climate; Climatic changes; Death Valley; Death Valley (Califand Nev.); Description and travel; Earth Sciences; Huntington, Ellsworth; Meteorology and Climate Science; Observations; Owens Lake (Inyo County; Research; Searles Lake (Calif.)

'The variable sun', Harpers

Tags: 1910s; 1914; 1914-7-1; Abbot, C. G. (Charles Greeley); Astrophysics; Bolometer; C.G. (Charles Greeley) Abbot; Cosmology; D.C.); Effect of solar radiation on; Mount Wilson Observatory (Calif.); Observations; Physics; Plants; Research; S.P. (Samuel Pierpont) Langley; Smithsonian Astrophysical Observatory (Washington; Sun

'Sun-storms and the earth', Harpers

Tags: 1910s; 1912; 1912-9-1; Astronomical photography; Astronomy and Astrophysics; Maunder, E. Walter (Edward Walter); Observations; Physics; Sun; Sunspots

'The planet Venus and its problems', Harpers

Tags: 1910s; 1912; 1912-6-1; Astronomy and Astrophysics; Observations; Physics; Pickering, William H. (William Henry); Venus (Planet)

'The earth as a magnet', Harpers

Tags: 1900s; 1908; 1908-10-1; Black, F. A. (Frederick Alexander); Compass; Earth Sciences; Geography; Geomagnetism; Geophysics; Magnetic declination; Observations

'Different explanations of the canals of Mars', Harpers

Tags: 1900s; 1908; 1908-1-1; Astronomy and Astrophysics; Canals; Life on other planets; Mars (Planet); Observations; Physics; Pickering, William H. (William Henry); Surface

'Terrestrial magnetism', Harpers

Tags: 1900s; 1906; 1906-6-1; Adams, Cyrus C. (Cyrus Cornelius); Discoveries in science; Earth Sciences; Geography; Geomagnetism; Geophysics; History; Magnetic declination; Observations; Secular variations

'What is a comet?', Harpers

Tags: 1900s; 1906; 1906-2-1; Astronomy and Astrophysics; Comets; Observations; Orbits; Physics; Pickering, William H. (William Henry)

'Magnetic storms and the sun', Harpers

Tags: 1900s; 1905; 1905-5-1; Earth Sciences; Experiments; Magnetic storms; Magnetism; Maunder, E. Walter (Edward Walter); Meteorology and Climate Science; Observations; Royal Greenwich Observatory; Sunspots

'The extent of the universe', Harpers

Tags: 1900s; 1904; 1904-10-1; Astronomy; Astronomy and Astrophysics; Cosmography; Newcomb, Simon; Observations; Physics

'Photographing the moon', Harpers

Tags: 1900s; 1903; 1903-8-1; Astronomical photography; Astronomy and Astrophysics; Moon; Observations; Physics; Ritchey, G. W. (George Willis); United States

'Photographing the nebulae with reflecting telescopes', Harpers

Tags: 1900s; 1903; 1903-5-1; Astronomical photography; Astronomy; Astronomy and Astrophysics; Nebulae; Observations; Physics; Reflecting telescopes; Ritchey, G. W. (George Willis); Technological innovations

'Man and the upper atmosphere', Harpers

Tags: 1900s; 1902; 1902-2-1; Aeronautics; Aeronautics and Aerospace; Atmosphere; Balloons; Engineering; History; Observations; S�ring, Reinhard Joachim; Upper