Generally the atmosphere is hazy; and this is caused by the falling of impalpably fine dust, which was found to have slightly injured the astronomical instruments
Residents of Qatar do not need astronomical instruments
or telescopes to monitor and see the meteors.
The seventeenth-century print on the cover of this new edition along with another seventeenth-century print on page 19 suggest the confusion, for they show Johann Adam Schall von Bell, a Jesuit astronomer residing at Beijing, portrayed in his costume of first-order Mandarin and surrounded by late-medieval astronomical instruments
Holographic gratings for astronomical instruments
were described in a paper by Noboru Ebizuka, RIKEN in Japan, as well as in another paper by Alessio Zanutta, INAF in Italy.
With precision in modern astronomical instruments
, Mujahid said the RDI-ARMM hoped to address conflicting views that Filipino Muslims had held in lunar reckoning, everytime Ramadan was about to start or end.
This influences the design of astronomical instruments
You and I know that spectrographs are among the most important astronomical instruments
, but the public is largely unaware of this fact.
The method is derived from the recent progress in astronomical instruments
for the submillimeter (hundreds of GHz to THz) frequency band.
Dark matter, the mysterious substance that makes up roughly a quarter of the universe, is invisible to even the most sensitive astronomical instruments
because it does not emit or block light.
There's everything from one of Europe's largest Samurai collections (all the more spooky because of the low light), bicycles and penny farthings, model ships, astronomical instruments
, all kinds of musical instruments and, for children of all ages, a wide range of toys.
Having written extensively about astronomy and astronomical instruments
in Islamic civilization, King synthesizes both the religious and the scientific calculations of time in Islam from about 750 to about 1900 CE.
Jantar Mantar in Jaipur is a collection of architectural astronomical instruments
, built by Rajput Sawai Jai Singh during the 1700s.