The construction of the heavens: the cosmology of William Herschel
Gespeichert in:
Hauptverfasser: | , |
---|---|
Format: | Buch |
Sprache: | English |
Veröffentlicht: |
Cambridge [u.a.]
Cambridge Univ. Press
2012
|
Ausgabe: | 1. publ. |
Schlagworte: | |
Online-Zugang: | Cover image Inhaltsverzeichnis |
Beschreibung: | "The astronomical observations of William Herschel (1738-1822) made him question the accepted model of the clockwork universe. This volume explains the development of Herschel's thoughts on what he called 'the construction of the heavens' and reprints his principal papers on this subject. The preliminary chapters provide an introduction to Herschel, including his unusual path to astronomy, the discovery of Uranus and his work on the evolution of stellar clusters, which eventually led him to challenge the unchanging Newtonian universe. The second half of the text comprises eight of Herschel's key papers on what we today would call cosmology, representing his progress between 1783 and 1814, fully annotated with historical notes and modern astrophysical explanations. Ideal for undergraduate and postgraduate students in the history of science and in astronomy, this volume explains Herschel's pivotal role in the transformation from the clockwork universe to the 'biological' universe of modern astronomy"-- Provided by publisher. -- "William Herschel (1738-1822) was a musician and composer for the first half of his life, and astronomer to the King of Britain for the second half. Astronomers of the time might distinguish themselves either as makers of telescopes, or as observers, or as theoreticians. Herschel distinguished himself in all three. In November 1778, while a musician in the English spa resort of Bath, Herschel as an amateur observer ground and polished for his 7-ft reflector a mirror that was simply the finest anywhere; and using it he discovered the planet we know as Uranus. This won him the patronage of the King and with it the opportunity to give up music and dedicate himself to astronomy. With funding from the King he then built himself the biggest reflector ever seen, and he conducted a brisk trade in telescopes, the crowned heads of Europe competing to b Includes bibliographical references and index |
Beschreibung: | VIII, 205 S. Ill., graph. Darst. |
ISBN: | 9781107018389 |
Internformat
MARC
LEADER | 00000nam a2200000zc 4500 | ||
---|---|---|---|
001 | BV039911939 | ||
003 | DE-604 | ||
005 | 20120321 | ||
007 | t | ||
008 | 120224s2012 xxkad|| |||| 00||| eng d | ||
010 | |a 2011036932 | ||
020 | |a 9781107018389 |c hardback |9 978-1-10-701838-9 | ||
035 | |a (OCoLC)756767602 | ||
035 | |a (DE-599)BVBBV039911939 | ||
040 | |a DE-604 |b ger |e aacr | ||
041 | 0 | |a eng | |
044 | |a xxk |c GB | ||
049 | |a DE-12 | ||
050 | 0 | |a QB36.H6 | |
082 | 0 | |a 520.92 | |
100 | 1 | |a Hoskin, Michael A. |d 1930- |e Verfasser |0 (DE-588)12163566X |4 aut | |
245 | 1 | 0 | |a The construction of the heavens |b the cosmology of William Herschel |c Michael Hoskin ; with astrophysical notes by David Dewirst, Wolfgang Steinicke |
250 | |a 1. publ. | ||
264 | 1 | |a Cambridge [u.a.] |b Cambridge Univ. Press |c 2012 | |
300 | |a VIII, 205 S. |b Ill., graph. Darst. | ||
336 | |b txt |2 rdacontent | ||
337 | |b n |2 rdamedia | ||
338 | |b nc |2 rdacarrier | ||
500 | |a "The astronomical observations of William Herschel (1738-1822) made him question the accepted model of the clockwork universe. This volume explains the development of Herschel's thoughts on what he called 'the construction of the heavens' and reprints his principal papers on this subject. The preliminary chapters provide an introduction to Herschel, including his unusual path to astronomy, the discovery of Uranus and his work on the evolution of stellar clusters, which eventually led him to challenge the unchanging Newtonian universe. The second half of the text comprises eight of Herschel's key papers on what we today would call cosmology, representing his progress between 1783 and 1814, fully annotated with historical notes and modern astrophysical explanations. Ideal for undergraduate and postgraduate students in the history of science and in astronomy, this volume explains Herschel's pivotal role in the transformation from the clockwork universe to the 'biological' universe of modern astronomy"-- Provided by publisher. -- "William Herschel (1738-1822) was a musician and composer for the first half of his life, and astronomer to the King of Britain for the second half. Astronomers of the time might distinguish themselves either as makers of telescopes, or as observers, or as theoreticians. Herschel distinguished himself in all three. In November 1778, while a musician in the English spa resort of Bath, Herschel as an amateur observer ground and polished for his 7-ft reflector a mirror that was simply the finest anywhere; and using it he discovered the planet we know as Uranus. This won him the patronage of the King and with it the opportunity to give up music and dedicate himself to astronomy. With funding from the King he then built himself the biggest reflector ever seen, and he conducted a brisk trade in telescopes, the crowned heads of Europe competing to b | ||
500 | |a Includes bibliographical references and index | ||
600 | 1 | 4 | |a Herschel, William |c Sir |d 1738-1822 |
600 | 1 | 7 | |a Herschel, William |d 1738-1822 |0 (DE-588)118841920 |2 gnd |9 rswk-swf |
648 | 7 | |a Geschichte 1783-1814 |2 gnd |9 rswk-swf | |
650 | 4 | |a Geschichte | |
650 | 4 | |a Astronomers |z Great Britain |v Biography | |
650 | 4 | |a Astronomy |x History | |
650 | 4 | |a Cosmology |x History | |
650 | 7 | |a SCIENCE / History |2 bisacsh | |
650 | 0 | 7 | |a Himmelsmechanik |0 (DE-588)4127484-2 |2 gnd |9 rswk-swf |
651 | 4 | |a Großbritannien | |
651 | 7 | |a Großbritannien |0 (DE-588)4022153-2 |2 gnd |9 rswk-swf | |
655 | 7 | |0 (DE-588)4006804-3 |a Biografie |2 gnd-content | |
689 | 0 | 0 | |a Herschel, William |d 1738-1822 |0 (DE-588)118841920 |D p |
689 | 0 | |5 DE-604 | |
689 | 1 | 0 | |a Großbritannien |0 (DE-588)4022153-2 |D g |
689 | 1 | 1 | |a Himmelsmechanik |0 (DE-588)4127484-2 |D s |
689 | 1 | 2 | |a Geschichte 1783-1814 |A z |
689 | 1 | |C b |5 DE-604 | |
700 | 1 | |a Steinicke, Wolfgang |e Verfasser |4 aut | |
856 | 4 | |u http://assets.cambridge.org/97811070/18389/cover/9781107018389.jpg |3 Cover image | |
856 | 4 | 2 | |m HBZ Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024770582&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
999 | |a oai:aleph.bib-bvb.de:BVB01-024770582 | ||
942 | 1 | 1 | |c 509 |e 22/bsb |f 09034 |g 41 |
942 | 1 | 1 | |c 509 |e 22/bsb |f 09033 |g 41 |
Datensatz im Suchindex
_version_ | 1804148868600823808 |
---|---|
adam_text | Titel: The construction of the heavens
Autor: Hoskin, Michael A
Jahr: 2012
Contents
Preface page vii
Introduction 1
Parti Herschel s exploration of the cosmos
1. The making of an astronomer 7
2. Our neighbours among the stars 13
3. The riddle of the nebulae: (1) True nebulosity? 34
4. The riddle of the nebulae: (2) Nebulosity rejected 54
5. The riddle of the nebulae: (3) Nebulosity confirmed 64
6. Retrospect: William Herschel and the construction
of the heavens 73
References 76
Part II Herschel s cosmological papers in Philosophical
Transactions
1783: On the proper motion of the Sun and solar system 87
1784: Observations tending to investigate the construction
of the heavens 99
1785
1789
1791
1802
On the construction of the heavens 113
Remarks on the construction of the heavens 136
On nebulous stars 146
Remarks on the construction of the heavens 157
vi Contents
1811: Observations relating to the construction
of the heavens 169
1814: Observations relating to the sidereal part
of the heavens 187
Select bibliography 201
Index 202
|
any_adam_object | 1 |
author | Hoskin, Michael A. 1930- Steinicke, Wolfgang |
author_GND | (DE-588)12163566X |
author_facet | Hoskin, Michael A. 1930- Steinicke, Wolfgang |
author_role | aut aut |
author_sort | Hoskin, Michael A. 1930- |
author_variant | m a h ma mah w s ws |
building | Verbundindex |
bvnumber | BV039911939 |
callnumber-first | Q - Science |
callnumber-label | QB36 |
callnumber-raw | QB36.H6 |
callnumber-search | QB36.H6 |
callnumber-sort | QB 236 H6 |
callnumber-subject | QB - Astronomy |
ctrlnum | (OCoLC)756767602 (DE-599)BVBBV039911939 |
dewey-full | 520.92 |
dewey-hundreds | 500 - Natural sciences and mathematics |
dewey-ones | 520 - Astronomy and allied sciences |
dewey-raw | 520.92 |
dewey-search | 520.92 |
dewey-sort | 3520.92 |
dewey-tens | 520 - Astronomy and allied sciences |
discipline | Physik |
edition | 1. publ. |
era | Geschichte 1783-1814 gnd |
era_facet | Geschichte 1783-1814 |
format | Book |
fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>04302nam a2200613zc 4500</leader><controlfield tag="001">BV039911939</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20120321 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">120224s2012 xxkad|| |||| 00||| eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">2011036932</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9781107018389</subfield><subfield code="c">hardback</subfield><subfield code="9">978-1-10-701838-9</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)756767602</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV039911939</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">aacr</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">xxk</subfield><subfield code="c">GB</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-12</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">QB36.H6</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">520.92</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Hoskin, Michael A.</subfield><subfield code="d">1930-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)12163566X</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">The construction of the heavens</subfield><subfield code="b">the cosmology of William Herschel</subfield><subfield code="c">Michael Hoskin ; with astrophysical notes by David Dewirst, Wolfgang Steinicke</subfield></datafield><datafield tag="250" ind1=" " ind2=" "><subfield code="a">1. publ.</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Cambridge [u.a.]</subfield><subfield code="b">Cambridge Univ. Press</subfield><subfield code="c">2012</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">VIII, 205 S.</subfield><subfield code="b">Ill., graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">"The astronomical observations of William Herschel (1738-1822) made him question the accepted model of the clockwork universe. This volume explains the development of Herschel's thoughts on what he called 'the construction of the heavens' and reprints his principal papers on this subject. The preliminary chapters provide an introduction to Herschel, including his unusual path to astronomy, the discovery of Uranus and his work on the evolution of stellar clusters, which eventually led him to challenge the unchanging Newtonian universe. The second half of the text comprises eight of Herschel's key papers on what we today would call cosmology, representing his progress between 1783 and 1814, fully annotated with historical notes and modern astrophysical explanations. Ideal for undergraduate and postgraduate students in the history of science and in astronomy, this volume explains Herschel's pivotal role in the transformation from the clockwork universe to the 'biological' universe of modern astronomy"-- Provided by publisher. -- "William Herschel (1738-1822) was a musician and composer for the first half of his life, and astronomer to the King of Britain for the second half. Astronomers of the time might distinguish themselves either as makers of telescopes, or as observers, or as theoreticians. Herschel distinguished himself in all three. In November 1778, while a musician in the English spa resort of Bath, Herschel as an amateur observer ground and polished for his 7-ft reflector a mirror that was simply the finest anywhere; and using it he discovered the planet we know as Uranus. This won him the patronage of the King and with it the opportunity to give up music and dedicate himself to astronomy. With funding from the King he then built himself the biggest reflector ever seen, and he conducted a brisk trade in telescopes, the crowned heads of Europe competing to b</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references and index</subfield></datafield><datafield tag="600" ind1="1" ind2="4"><subfield code="a">Herschel, William</subfield><subfield code="c">Sir</subfield><subfield code="d">1738-1822</subfield></datafield><datafield tag="600" ind1="1" ind2="7"><subfield code="a">Herschel, William</subfield><subfield code="d">1738-1822</subfield><subfield code="0">(DE-588)118841920</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="648" ind1=" " ind2="7"><subfield code="a">Geschichte 1783-1814</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Geschichte</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Astronomers</subfield><subfield code="z">Great Britain</subfield><subfield code="v">Biography</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Astronomy</subfield><subfield code="x">History</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cosmology</subfield><subfield code="x">History</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">SCIENCE / History</subfield><subfield code="2">bisacsh</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Himmelsmechanik</subfield><subfield code="0">(DE-588)4127484-2</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="651" ind1=" " ind2="4"><subfield code="a">Großbritannien</subfield></datafield><datafield tag="651" ind1=" " ind2="7"><subfield code="a">Großbritannien</subfield><subfield code="0">(DE-588)4022153-2</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="655" ind1=" " ind2="7"><subfield code="0">(DE-588)4006804-3</subfield><subfield code="a">Biografie</subfield><subfield code="2">gnd-content</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Herschel, William</subfield><subfield code="d">1738-1822</subfield><subfield code="0">(DE-588)118841920</subfield><subfield code="D">p</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="1" ind2="0"><subfield code="a">Großbritannien</subfield><subfield code="0">(DE-588)4022153-2</subfield><subfield code="D">g</subfield></datafield><datafield tag="689" ind1="1" ind2="1"><subfield code="a">Himmelsmechanik</subfield><subfield code="0">(DE-588)4127484-2</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="2"><subfield code="a">Geschichte 1783-1814</subfield><subfield code="A">z</subfield></datafield><datafield tag="689" ind1="1" ind2=" "><subfield code="C">b</subfield><subfield code="5">DE-604</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Steinicke, Wolfgang</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="856" ind1="4" ind2=" "><subfield code="u">http://assets.cambridge.org/97811070/18389/cover/9781107018389.jpg</subfield><subfield code="3">Cover image</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">HBZ Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024770582&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-024770582</subfield></datafield><datafield tag="942" ind1="1" ind2="1"><subfield code="c">509</subfield><subfield code="e">22/bsb</subfield><subfield code="f">09034</subfield><subfield code="g">41</subfield></datafield><datafield tag="942" ind1="1" ind2="1"><subfield code="c">509</subfield><subfield code="e">22/bsb</subfield><subfield code="f">09033</subfield><subfield code="g">41</subfield></datafield></record></collection> |
genre | (DE-588)4006804-3 Biografie gnd-content |
genre_facet | Biografie |
geographic | Großbritannien Großbritannien (DE-588)4022153-2 gnd |
geographic_facet | Großbritannien |
id | DE-604.BV039911939 |
illustrated | Illustrated |
indexdate | 2024-07-10T00:13:58Z |
institution | BVB |
isbn | 9781107018389 |
language | English |
lccn | 2011036932 |
oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024770582 |
oclc_num | 756767602 |
open_access_boolean | |
owner | DE-12 |
owner_facet | DE-12 |
physical | VIII, 205 S. Ill., graph. Darst. |
publishDate | 2012 |
publishDateSearch | 2012 |
publishDateSort | 2012 |
publisher | Cambridge Univ. Press |
record_format | marc |
spelling | Hoskin, Michael A. 1930- Verfasser (DE-588)12163566X aut The construction of the heavens the cosmology of William Herschel Michael Hoskin ; with astrophysical notes by David Dewirst, Wolfgang Steinicke 1. publ. Cambridge [u.a.] Cambridge Univ. Press 2012 VIII, 205 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier "The astronomical observations of William Herschel (1738-1822) made him question the accepted model of the clockwork universe. This volume explains the development of Herschel's thoughts on what he called 'the construction of the heavens' and reprints his principal papers on this subject. The preliminary chapters provide an introduction to Herschel, including his unusual path to astronomy, the discovery of Uranus and his work on the evolution of stellar clusters, which eventually led him to challenge the unchanging Newtonian universe. The second half of the text comprises eight of Herschel's key papers on what we today would call cosmology, representing his progress between 1783 and 1814, fully annotated with historical notes and modern astrophysical explanations. Ideal for undergraduate and postgraduate students in the history of science and in astronomy, this volume explains Herschel's pivotal role in the transformation from the clockwork universe to the 'biological' universe of modern astronomy"-- Provided by publisher. -- "William Herschel (1738-1822) was a musician and composer for the first half of his life, and astronomer to the King of Britain for the second half. Astronomers of the time might distinguish themselves either as makers of telescopes, or as observers, or as theoreticians. Herschel distinguished himself in all three. In November 1778, while a musician in the English spa resort of Bath, Herschel as an amateur observer ground and polished for his 7-ft reflector a mirror that was simply the finest anywhere; and using it he discovered the planet we know as Uranus. This won him the patronage of the King and with it the opportunity to give up music and dedicate himself to astronomy. With funding from the King he then built himself the biggest reflector ever seen, and he conducted a brisk trade in telescopes, the crowned heads of Europe competing to b Includes bibliographical references and index Herschel, William Sir 1738-1822 Herschel, William 1738-1822 (DE-588)118841920 gnd rswk-swf Geschichte 1783-1814 gnd rswk-swf Geschichte Astronomers Great Britain Biography Astronomy History Cosmology History SCIENCE / History bisacsh Himmelsmechanik (DE-588)4127484-2 gnd rswk-swf Großbritannien Großbritannien (DE-588)4022153-2 gnd rswk-swf (DE-588)4006804-3 Biografie gnd-content Herschel, William 1738-1822 (DE-588)118841920 p DE-604 Großbritannien (DE-588)4022153-2 g Himmelsmechanik (DE-588)4127484-2 s Geschichte 1783-1814 z b DE-604 Steinicke, Wolfgang Verfasser aut http://assets.cambridge.org/97811070/18389/cover/9781107018389.jpg Cover image HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024770582&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
spellingShingle | Hoskin, Michael A. 1930- Steinicke, Wolfgang The construction of the heavens the cosmology of William Herschel Herschel, William Sir 1738-1822 Herschel, William 1738-1822 (DE-588)118841920 gnd Geschichte Astronomers Great Britain Biography Astronomy History Cosmology History SCIENCE / History bisacsh Himmelsmechanik (DE-588)4127484-2 gnd |
subject_GND | (DE-588)118841920 (DE-588)4127484-2 (DE-588)4022153-2 (DE-588)4006804-3 |
title | The construction of the heavens the cosmology of William Herschel |
title_auth | The construction of the heavens the cosmology of William Herschel |
title_exact_search | The construction of the heavens the cosmology of William Herschel |
title_full | The construction of the heavens the cosmology of William Herschel Michael Hoskin ; with astrophysical notes by David Dewirst, Wolfgang Steinicke |
title_fullStr | The construction of the heavens the cosmology of William Herschel Michael Hoskin ; with astrophysical notes by David Dewirst, Wolfgang Steinicke |
title_full_unstemmed | The construction of the heavens the cosmology of William Herschel Michael Hoskin ; with astrophysical notes by David Dewirst, Wolfgang Steinicke |
title_short | The construction of the heavens |
title_sort | the construction of the heavens the cosmology of william herschel |
title_sub | the cosmology of William Herschel |
topic | Herschel, William Sir 1738-1822 Herschel, William 1738-1822 (DE-588)118841920 gnd Geschichte Astronomers Great Britain Biography Astronomy History Cosmology History SCIENCE / History bisacsh Himmelsmechanik (DE-588)4127484-2 gnd |
topic_facet | Herschel, William Sir 1738-1822 Herschel, William 1738-1822 Geschichte Astronomers Great Britain Biography Astronomy History Cosmology History SCIENCE / History Himmelsmechanik Großbritannien Biografie |
url | http://assets.cambridge.org/97811070/18389/cover/9781107018389.jpg http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024770582&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
work_keys_str_mv | AT hoskinmichaela theconstructionoftheheavensthecosmologyofwilliamherschel AT steinickewolfgang theconstructionoftheheavensthecosmologyofwilliamherschel |