troponins
发表于 2025-3-30 11:53:55
The June Flowers of 2004,ing years. Once the incentive for launching worldwide expeditions, transits of Venus had long since been superseded as a means of measuring the solar parallax and determining the value of the astronomical unit. On the other hand, the 2004 event was used to model the dimming of distant stars as plane
Fracture
发表于 2025-3-30 14:32:38
,2012—Hail to Thee, Venus—and Fond Farewell!,t of 1639. Those of our generation are fortunate to have had one opportunity in 2004, and a second in 2012. Though countless millions saw Venus track across the Sun at one or other transit, anyone living who did not avail him or herself of the opportunity will now have to wait until 2117 for the nex
discord
发表于 2025-3-30 18:35:16
Future Transits,ng for the next planetary transit. As a matter of fact, no less than 14 transits of Mercury will occur between 2012 and 2117. We also note that the first planetary transit ever observed was that of Mercury in 1631, viewed by only three persons, one of whom was Pierre Gassendi, the author of the quot
Medicaid
发表于 2025-3-31 00:17:48
http://reply.papertrans.cn/23/2228/222721/222721_54.png
hypnotic
发表于 2025-3-31 02:34:16
The June Flowers of 2004, of the Victorian era, whose idea of technological feats included the laying down of the trans-Atlantic telegraph cable and the recent invention of the telephone. In 1874 and 1882, accounts of transit observations could be transmitted around the globe in a matter of days, while by 2004 communication
轻浮思想
发表于 2025-3-31 09:04:13
Book 2015ine changes in the Earth‘s brightness as a way of monitoring possible effects in cloud coverage which may be related to global warming. Shadows were used by the Greek mathematician Eratosthenes to work out the first estimate of the circumference of the Earth, by Galileo to measure the heights of the
Pillory
发表于 2025-3-31 11:38:12
Gerard Kerkhof,Marieke de Gier,Marthe Sernee of the Victorian era, whose idea of technological feats included the laying down of the trans-Atlantic telegraph cable and the recent invention of the telephone. In 1874 and 1882, accounts of transit observations could be transmitted around the globe in a matter of days, while by 2004 communication
洁净
发表于 2025-3-31 14:26:07
http://reply.papertrans.cn/23/2228/222721/222721_58.png
Flustered
发表于 2025-3-31 17:53:46
http://reply.papertrans.cn/23/2228/222721/222721_59.png
清醒
发表于 2025-3-31 23:42:13
Onvrijwillige hulpverlening weer in beeld,e will be using celestial directions whenever possible; if north is up, then east is to the left. We will point out whenever we use the “IAU” planetary directional system, which instead has east to the right when north is up.) Rising from the horizon is the shadow itself, a blue-grey color.