dsph造句
例句与造句
- It is classified as a dwarf spheroidal galaxy ( dSph ).
- He was advised for cyclopentolate 1 % BD for 3 weeks, along with near glasses of + 2.50 Dsph during the drug course.
- The models of both its orbit and the Milky Way's potential field could be improved by proper motion observations of Sgr dSph's stellar debris.
- However, some astronomers contend that Sgr dSph has been in orbit around the Milky Way for some billions of years, and has already orbited it approximately ten times.
- Although it may have begun as a spherical object before falling towards the Milky Way, Sgr dSph is now being torn apart by immense tidal forces over hundreds of millions of years.
- It's difficult to find dsph in a sentence. 用dsph造句挺难的
- At first, many astronomers thought that Sgr dSph had already reached an advanced state of destruction, so that a large part of its original matter was already mixed with that of the Milky Way.
- In 1999, Johnston et al . concluded that Sgr dSph has orbited the Milky Way for at least one Gya and that during that time its mass has decreased by a factor of two or three.
- It is classified as a dwarf spheroidal galaxy ( dSph ) meaning that it has an elliptical ( ratio of axes ~ 2 : 1 ) shape with the half-light radius of about 140 pc.
- However, Sgr dSph still has coherence as a dispersed elongated ellipse, and appears to move in a roughly polar orbit around the Milky Way as close as 50, 000 light-years from the galactic core.
- The Antlia Dwarf is classified alternatively as a dwarf elliptical galaxy of type dE3.5, or either as a dwarf spheroidal galaxy ( dSph ) or as a transitional galaxy from spheroidal to irregular types ( dSph / Irr ).
- The Antlia Dwarf is classified alternatively as a dwarf elliptical galaxy of type dE3.5, or either as a dwarf spheroidal galaxy ( dSph ) or as a transitional galaxy from spheroidal to irregular types ( dSph / Irr ).
- "' Ursa Major II Dwarf "'( "'UMa II dSph "') is a dwarf spheroidal galaxy situated in the Ursa Major constellation and discovered in 2006 in the data obtained by the Sloan Digital Sky Survey.
- A 2012 paper that suggests a new classification system, first proposed by the Canadian astronomer Sidney van den Bergh, for lenticular and dwarf spheroidal galaxies ( S0a-S0b-S0c-dSph ) that parallels the Hubble sequence for spirals and irregulars ( Sa-Sb-Sc-Im ) reinforces this idea showing how the spiral irregular sequence is very similar to this new one for lenticulars and dwarf ellipticals.