What are the top 10 astronomical wonders of the world, the top five wonders of the earth

Top 10 Astronomical Wonders: Maybe You Won't See It Once in Your Life (Part I).

<> "Five Wonders of the Earth.

First, Mount Roraima, the highest peak of the Pakarima Mountains in northern South America. At the junction of Brazil, Venezuela and Guyana. It is a table-shaped mountain with steep edges and a flat top, about 14 kilometers long and 5 kilometers wide, with an altitude of 2,810 meters.

Second, Han Song Cave is located in Vietnam's Feng Ya Bang National Park, which is by far the world's largest single large natural cave Zhongxin Cave and the world's largest cave passage discovered so far.

Pamukkale: Located in the northern part of the Turkish city of Denisri, Pamukkale is a well-known spa resort with thousands of years of natural hot springs and quirky cotton-like hills.

Fourth, sell dates on the Bosphorus. It is a narrow waterway that connects the Black Sea and the Sea of Marmara, and together with the Dardanelles Strait and the Sea of Marmara, it forms the Turkish Strait (also known as the Black Sea Strait) and separates the Asian part of Turkey from the European part.

Five, Angel Falls. Waterfall on the Chulen River, a tributary of the Caroni River in the Guiana Plateau of the Bolivarian State of Venezuela. With a drop of 979 meters (3,212 feet), it is the largest waterfall in the world.

The base is 150 m (500 ft) wide. The waterfall is sheltered by dense forests and should be viewed from the air.

The universe has been around for 13.7 billion years, but human life is short, but here are five astronomical wonders that you may see in your lifetime.

1. The Leonid meteor shower, after it appears, can only appear once every 33 years, up to thousands of meteors per hour, and the next time you see it will be in 2031.

2. Halley's Comet, Halley's Comet (periodic comet catalog number: 1P Halley) is a periodic comet that orbits the sun once a year and can be seen with the naked eye. Named after the English physicist Edmund Halley (1656-1742) who first measured his orbital data and successfully predicted the time of return, Halley's Comet was the first recorded periodic comet in 240 BC or 466 BC at the latest, and there are clear records of the comet's occurrence in China, ancient Babylon, and medieval Europe, but it was not known at the time that it was a recurrence of the same comet.

Halley's Comet has an orbital period of 76 79 years, and if you're lucky enough, you can see it twice in your lifetime.

3. Total lunar eclipse, total lunar eclipse (total lunar eclipse), an astronomical term, is a kind of lunar eclipse, when the moon, the earth, and the sun are completely in a straight line, the earth is in the middle, and the entire moon enters the shadow of the earth, and the surface of the moon turns dark red, forming a total lunar eclipse. It is a solar eclipse in which the Moon completely blocks the Sun. On September 2, 2035, a total lunar eclipse will occur in the northern regions and will last one minute and 29 seconds.

Fourth, the super blood moon, and the "blood moon" as the name suggests is the red moon, when a total solar eclipse occurs on the moon, it is also a total lunar eclipse on the earth, and the half moon facing the earth is not completely dark, but red like the morning or evening on the earth. On February 11, 2036, you will see a mysterious red moon appear in the brilliant night sky.

The last one is the seven-star alignment, on September 9, 2040, Mercury, Venus, Earth, Mars, Saturn, Uranus, Pluto will be connected in a line, "seven-star alignment" is a small probability of occurring celestial phenomena, in the 2000 years of the history of the Chinese people, if you carefully count the fingers, a total of only 26 times, according to this average interval, it is estimated that it will take a full 77 years to see the wonder of the "seven-star alignment", and the next appearance will be in 2061.

Who would you most like to see the above five astronomical wonders with?

In 2018, there will be two total lunar eclipses, both of which can be seen in our country. The occurrences occurred on January 31 and July 28, respectively, and the situation with the ascending surplus is as follows:

1. Among them, on January 31, the closest to human beings, the first loss moment is 19:47, the return moment is 23:10, and the total eclipse phase lasts for more than 1 hour.

On the 28th of the month, the total lunar eclipse will have a first loss of 2:25 and a return of 6:20, and the total eclipse phase will last for 3 hours and 55 minutes.

Year 2011.

December 10 Total lunar eclipse: the first loss at 20:45, the eclipse at 22:6, the eclipse at 22:31, the light at 22:57, and the circle at 0:17 the next day. There are very good observation conditions in the whole country of our country.

On December 14, Mercury stays at 10 o'clock, changing from retrograde to direct on December 15, the Geminid meteor shower is at its maximum at around 1 a.m. on December 17, Mars conjunct the Moon at 21 o'clock, Mars is in the north of the Moon, Saturn is conjunct the Moon at 18 o'clock on December 20, Saturn is in the north of the Moon, and on December 22, at 13:30, the winter solstice.

December 22 The Ursid meteor shower is extremely large.

On December 23, at 11 o'clock Mercury's greatest western elongation, on December 23, Mercury conjunct the Moon at 12 o'clock, Mercury is in the north of the Moon, and Jupiter stays at 19:26 on December 26, changing from retrograde to direct on December 27, Venus conjunct the Moon at 19 o'clock, and Venus is in the south of the Moon.

This Saturday, December 10, 2011, there will be a total lunar eclipse from 10 to 11 p.m. The next time it will appear is in 2018. Don't miss your chance! This process can be recorded with a video recorder or video camera.