1.
The Tswaing/Soutpan Meteor Crater
The Tswaing crater is similar in size to the well-known Barringer meteor ... The impact speed of an object falling from rest in space onto the Earth is 40 ...
2.
GPS (RINEX) data & IGS precise ephemeris Currently we archive data ...
Currently we archive data for 27 IGS stations, and 1 regional station ... Download IGS Broadcast Ephemeris (Rinex) ... Download data holdings summaries ...
3.
What causes eclipses of the Sun?
Oct 23, 2002 ... Hence at the time of New Moon, the Moon usually passes above or below the Sun, as seen from Earth, and there is no eclipse. ...
4.
Solar Eclipse 2002 Dec 04 - Shingwedzi
Dec 17, 2002 ... Mike Gaylard from HartRAO was the "eclipse expert" for the eclipse tour group of the .... The "Eclipse Edition" Sparkling wine was popular. ...
5.
What causes eclipses of the Sun?
Oct 23, 2002 ... If the Moon is at or near either of these nodes at New Moon, an eclipse of the Sun occurs. There is an interval of 31 days that occurs every ...
6.
Eclipse Workshop at HartRAO
To prepare for the total solar eclipse that will trace a path over southern africa on 4 December 2002, a workshop was held at HartRAO about the eclipse for ...
7.
HartRAO - Solar Eclipse 2002
Nov 26, 2002 ... eclipse quiz Do you understand what will happen during the eclipse of 2002 Dec 04, and how to watch it safely? Try our Eclipse Quiz and find ...
8.
Hartebeesthoek Radio Astronomy Observatory
... South Africa. It operates as a National Research Facility under the auspices of the National Research Foundation (NRF). ... Inkaba yeAfrica German / South Africa Earth Sciences project; Coordinates of geodetic instruments at HartRAO ...
9.
Make your own Sundial
Dec 6, 2007 ... Make your own Sundial. The type of sundial shown here is very easy ... the image for a larger version and data table for making your own): ...
10.
Make your own Sundial
Dec 6, 2007 ... Make your own Sundial. The type of sundial shown here is very .... Here the dateline just touches the timeline on which the shadow falls. ...