Solar Eclipse

Solar EclipseEclipse of the SunEclipse of the Sun

日蝕日蝕 (( 日食日食))

P.6 1st Term General Studies Syllabus

Produced by ： Thomas CHAI Yan Piau

Revolutions of the Earth & the Moon

Cause of a Solar Eclipse

When the Moon comes between the Sun and the Earth,

and they form a straight line or nearly a straight line,

the Moon blocks the sunlight shining onto the Earth.

3 Types of Solar Eclipses

2) Total Eclipse: the Earth is at the nearest position to the Moon, the Sun will be totally covered by the Moon.

1) Partial Eclipse: only part of the Sun is covered by the Moon.

Total Eclipse

Total Eclipse:

Partial Eclipse:

Formation of Total & Partial Eclipses

http://webevents.broadcast.com/exploratorium/solareclipse/

Total Eclipse --- 11th August, 1999

3 Types of Solar Eclipses

2) Total Eclipse: the Earth is at the nearest position to the Moon, the Sun will be totally covered by the Moon.

3) Annular Eclipse: the Earth is at the farthest position to the Moon, only the central part of the Sun is covered by

the Moon, to form a bright ring.

1) Partial Eclipse: only part of the Sun is covered by the Moon.

Partial Eclipse:

Annular Eclipse:

Formation of Annular & Partial Eclipses

Total Eclipse

Total Eclipse:

Partial Eclipse:

Formation of Total & Partial Eclipses

日環蝕／日全蝕

日環蝕／日全蝕

Annular Eclipse --- 26th February, 1998

Annular Eclipse --- 26th February, 1998

Annular Eclipse --- 16th February, 1999

1st of the 1st Month 16th February, 1999

1st of the 7th Month 11th August, 1999

1st of the 4th Month 30th April, 1995

30th of the 1st Month 26th February, 1998 1st of the 7th Month 22nd August, 1998

1st of the 2nd Month 9th March, 1997 1st of the 9th Month 12th October, 1996 1st of the 3rd Month 18th April, 1996 1st of the 9th Month 24th October, 1995

Date in Lunar CalendarDate

Dates of the Solar Eclipses from 1995 to 1999

When will be the next Solar Eclipse?

Total Solar Eclipses: 1996 - 2020

3. 用望遠鏡直接觀看太陽 4. 戴上太陽眼鏡觀看太陽

5. 用肉眼直視太陽 6. 利用墨水看太陽

7. 用望遠鏡投影法看太陽的投影 8. 隔著曝了光的底片看太陽

1. 用塗黑了的膠片看太陽 2. 用望遠鏡投影法看太陽的投影

哪些是觀看日蝕的正確方法？

http://sunearth.gsfc.nasa.gov/eclipse/TSE1999/TSE1999.html

http://news.bbc.co.uk/hi/english/static/sci_tech/specials/eclipse_99/

http://ftp.seds.org/pub/images/eclipse/.html/00Index-1.html

http://www.seds.org/images/

http://www.solar-eclipse.org/

http://umbra.nascom.nasa.gov/eclipse/990811/rp.html

http://webevents.broadcast.com/exploratorium/solareclipse/

Web-sites on Solar Eclipses

http://www.mreclipse.com/SEgallery/SEcomp.html

有關日蝕的中文網頁

http://www.plvs.ntct.edu.tw/Science/sky/eclipse.htm

http://www.ttvs.cy.edu.tw/d503/22/sun.htm