heliocentric distance造句

例句与造句

1. The heliocentric distance of Messier 92 is.
2. This is one of the largest comets discovered and it holds the record for the maximum heliocentric distance a comet has ever been observed.
3. If the original amorphous ice survived the molecular cloud collapse, then it should have been preserved at heliocentric distances beyond Saturn's orbit ( ~ 12 AU ).
4. Since the temperature of the solar nebula decreased with heliocentric distance, scientists can infer a dust grain's origin ( s ) with knowledge of the grain's materials.
5. The astronomical unit is typically used for stellar system scale distances, such as the size of a protostellar disk or the heliocentric distance of an asteroid, whereas other units are used for other distances in astronomy.
6. It's difficult to find heliocentric distance in a sentence. 用heliocentric distance造句挺难的
7. On December 13, 1923, the astronomer magnitude was determined to be 11.6, and at the asteroid's heliocentric distance of 167 million miles, this made the coma about 24, 000 miles across.
8. Molecular oxygen has never before been detected in cometary comas . " In situ " measurements indicate that the / ratio is isotropic in the coma and does not change systematically with heliocentric distance, suggesting that primordial was incorporated into the nucleus during the comet's formation.
9. For how long this body of water was in the liquid form is still unknown, considering the high greenhouse efficiency required to bring water to the liquid phase in Mars at a heliocentric distance of 1.4 1.7 AU . It is now thought that the canyons filled with water, and at the end of the Noachian Period the Martian ocean disappeared, and the surface froze for approximately 450 million years.