The two brightest planets, first frost, were observed in slight cold. The first one is to the west. The first frost starts at 7: 00, 6: 00, today 12. The second one goes east; ask

The first star is Jupiter, and what the landlord said is Orion's belt Samsung, which should be the star of Shen. Accompanying him is the main star of Taurus, Bi Suwu. A small group of "Bombyx Batryticatus" stars is M45, the famous Pleiades cluster, that is, the Seven Sisters cluster. About 5-6 stars can be seen in the city.

The second star is Venus, which was far away from the west in August last year, and then gradually approached the sun, and its height decreased at sunrise. It seems quite difficult to observe now.

As for the cause of the position change, Jupiter's movement is very slow, which can be considered as the annual movement of celestial bodies, that is, the earth rotates around the sun and rises four minutes in advance every day, which is slightly retrograde (it is normal not to see it, it was in the northeast of Su Wu a few months ago, and now it has moved to the northwest, and it will resume its progress in more than a month). The laws of Venus' motion have been introduced above.

Attached is a simulation diagram of Stellarium to help explain.

Jupiter, the lower Pleiades, the Pleiades in the upper right corner and Orion in the lower left corner.

Venus rises at six o'clock and is about to dawn in the east. The bright star on the left is Cowherd.

PS？ The landlord has a good knowledge of language, but it is still difficult to understand questions in classical Chinese. Ha ha.