- Earth Perthelion and Aphelion, 1997
▪ TableEarth Perihelion and Aphelion, 1997Jan. 2 Perihelion, 147,094,700 km (91,400,238 mi)from the SunJuly 4 Aphelion, 152,103,870 km (94,512,783 mi)from the SunEquinoxes and Solstices, 1997March 20 Vernal equinox, 13:551June 21 Summer solstice, 08:201Sept. 22 Autumnal equinox, 23:561Dec. 21 Winter solstice, 20:071Eclipses, 1997March 8–9 Sun, total (begins 23:171), the beginningvisible in southeastern and eastern Asia;the end visible in eastern Siberia andAlaska.March 24 Moon, partial (begins 01:401), visiblethroughout North and South America ex-cept for Alaska and northwestern Canada,throughout Europe, Africa, and extremewestern Asia.Sept. 1–2 Sun, partial (begins 21:441), the begin-ning visible in Australia and New Zealand;the end visible in the far southern PacificOcean near Antarctica.Sept. 16 Moon, total (begins 16:111), the beginningvisible in eastern Europe, eastern Africa,Asia, and the Indian Ocean; the end visiblein extreme eastern South America, Europe,and eastern Greenland.See as table:1Universal time.Source: The Astronomical Almanac for the Year 1997(1996).
* * *
Look at other dictionaries:
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium