Astronomical popular science knowledge question and answer announcement

Astronomical knowledge question and answer

1. The planet with the fastest rotation is Jupiter, and it takes less than 10 hour to rotate once.

2. The planet with the slowest rotation is Venus, which takes 243 days to rotate once, which is longer than period of revolution's 224.7 days.

The planet with the fastest revolution is Mercury, and the planet with the slowest revolution is Neptune.

The largest planet is Jupiter and the smallest planet is Mercury.

The nearest planet to the earth is Venus, and its rotation direction is from east to west. It is called the morning star and the evening star.

6. (Saturn) was called the town star or the supplementary star in ancient times.

7. It (Uranus) is at right angles.

8. The planet with the most natural satellites is (Jupiter), 6 1, Saturn ranks second with 3 1, and Venus and Mercury have no natural satellites.

9. Mercury, Venus, (Earth) and Mars have no rings.

10. The first quarter moon is seen at night and the second quarter moon is seen in the morning.

1 1. Ceres is located in the asteroid belt between Mars and Jupiter.

12. (Pluto) belongs to a dwarf planet.

13. (Mars) was called "flicker" in ancient times. The "heart" in "Mars in Antares" stands for Antares, and Mars in Antares means that Mars stays in Antares. In ancient astrology, it was unknown that Mars stayed in Antares, because the heart in the heart palace represented the royal family, and Mars stayed in Antares symbolized the death of the emperor and the stepping down of the prime minister. This year, Mars will stay in Antares.

Constellation article

Astronomical knowledge question and answer

1. There are (88) constellations in the whole day and (13) constellations in the zodiac.

2. The constellations with the word "Fu" are Ophiuchus, Shepherd, Auriga and Fisherman.

3. The size of the zodiac is Virgo.

Leo is the most conspicuous constellation in spring.

(Orion) is a constellation in winter. It has three big luminous bands, belonging to two nights in ancient China.

7. Beihe III and Beihe II are the two brightest stars in Gemini.

8. The Big Dipper is a part of the constellation Ursa Major.

9. connection of auriga: draw a circle on the periphery to form a hexagon!

10. The middle, tail and dustpan in the corner room belong to (East Black Dragon and Seven Nights).

Observation article

Astronomical knowledge question and answer

1. The Milky Way is most suitable for observation in summer.

2. The three stars in the Summer Triangle are (Weaver Girl, Cowherd and Tianjin IV).

3. The equinox quadrangle, also called Pegasus quadrangle, is the symbol of the equinox constellation.

The brightest star at night is Sirius.

PS: Not Polaris.