@database "Hypothetical Objects"
@remark Copyright © 1995, Syzygy Research & Technology Ltd. All rights reserved.
@node main "Index of Hypothetical Objects"
Throughout history, there have been a number of planets or solar system objects
that astronomers have believed to exist at one time, but whose existence are
now doubted.

@remark beginverbatim
	@{"Lilith  " link lilith}
	@{"Neith   " link neith}
	@{"Nemesis " link nemesis}
	@{"Planet X" link planetx}
	@{"Vulcan  " link vulcan}
@remark endverbatim
@endnode

@node lilith "Lilith - a second moon for the Earth?"
This information is not provided with the demonstration version of
"The Digital Universe".  Please consult @{"Ordering The Digital Universe" link duhelp.guide/ordering}
for more information on how to obtain a registered version.
@endnode

@node nemesis "Nemesis - a companion star to the Sun?"
This information is not provided with the demonstration version of
"The Digital Universe".  Please consult @{"Ordering The Digital Universe" link duhelp.guide/ordering}
for more information on how to obtain a registered version.
@endnode

@node neith "Neith - a moon for Venus?"
This information is not provided with the demonstration version of
"The Digital Universe".  Please consult @{"Ordering The Digital Universe" link duhelp.guide/ordering}
for more information on how to obtain a registered version.
@endnode

@node vulcan "Vulcan - an intra-Mercurial planet?"
This information is not provided with the demonstration version of
"The Digital Universe".  Please consult @{"Ordering The Digital Universe" link duhelp.guide/ordering}
for more information on how to obtain a registered version.
@endnode

@node planetx "Planet X"
This information is not provided with the demonstration version of
"The Digital Universe".  Please consult @{"Ordering The Digital Universe" link duhelp.guide/ordering}
for more information on how to obtain a registered version.
@endnode