occultation of stars造句

• Existence of the atmosphere of Pluto was proved due to occultations of stars.
• An alternative method was the simultaneous observation of occultations of stars at different observatories.
• He used occultation of stars by the Moon to refine the value of the lunar radius.
• He noted that other such occultations of stars and planets had been observed by the Egyptians and Babylonians.
• Lightcurve data from Hertha indicates a flattened body, Five occultations of stars by the asteroid have been observed between 2000 and 2015.
• The atmosphere of Pluto has been studied since the 1980s by way of earth-based observation of occultations of stars by Pluto and spectroscopy.
• The irregularities of the lunar limb profile ( the " edge " of the Moon, as seen from a distance ) are known accurately from observations of grazing occultations of stars.
• In 1820, he became a trainee at Munich Optical Institute; and in 1824, at the Altona Observatory after he showed Heinrich Christian Schumacher his paper on calculating longitude by the occultation of stars by the moon.
• Because no observations of occultations of stars by Haumea or occultations of the dwarf planet with its moons have yet been made, direct, precise measurements of its dimensions, like those that were made for Pluto, do not yet exist.
• He also did some sunspot observations and published a series of articles, mostly in the " Astronomische Nachrichten ", on subjects such as comets, the theoretical considerations of comets " falling into the Sun ", Tycho Brahe, and occultations of stars by the Moon.
• GOMOS ( Global Ozone Monitoring by Occultation of Stars ) looks to stars as they descend through the Earth's atmosphere and change color, which also tells a lot about the presence of gases such as ozone ( ), and allows for the first time a space-based measurement of the vertical distribution of these trace gases.
• The first application for earlier versions of GEOMS was the definition of metadata requirements for the calibration and validation activities of the Advanced Along Track Scanning Radiometer ( AATSR ), the Global Ozone Monitoring by Occultation of Stars ( GOMOS ), the MEdium Resolution Imaging Spectrometer ( MERIS ), the Michelson Interferometer for Passive Atmospheric Sounding ( MIPAS ) and the SCanning Imaging Absorption SpectroMeter for Atmospheric CHartographY ( SCIAMACHY ) sensors flying on the European Space Agency ( ESA ) Envisat platform.