The world’s largest planetarium opened its doors to the public on Sunday.

There was a scramble to get tickets to the Shanghai Astronomy Museum. As soon as online reservation opened, tickets for the first week soon sold out.

The first 5,828 visitors joyfully made their way for the long-awaited visits to the museum on Sunday. Of them, Mao Yiwen, 18, arrived around 7:30am, two hours before the opening, becoming the first to enter the museum.

“I’m so excited, I couldn’t wait to experience it by myself,” he said.

Mao just finished this year’s college entrance exams in Shanghai. He got the ticket from the online ticketing system at 12:30am last Monday.

He was looking forward to seeing the 1-meter-diameter telescope, China’s largest optical telescope for both astronomical research and science education, as well as the Foucault pendulum, a device named after French physicist Léon Foucault to demonstrate the Earth’s rotation.

Ninety-four-year-old Ye Shuhua, China’s first female observatory director, was among the scientists who proposed and took part in the construction of the museum.

“The complex is so beautiful,” she said, after touring around the museum on Saturday. “We had been worried whether there would be visitors because it was built so far from downtown. But, today, you see, Lingang has developed so well.

“I hope it would be a place attractive to all kinds of people. Even those who know little about astronomy can benefit from a visit.”

Of the exhibits, Lunar sample No. 007, revealed at Saturday’s opening ceremony, is no doubt the “star.”

The sample, provided by the China National Space Administration, is displayed inside a crystal ball on the second floor. It weighs 9 milligrams. It was retrieved from Oceanus Procellarum on the lunar surface by the Chang’e 5 probe in December 2020.

Many mineral grains can be seen in the sample, including yellow olivine, brownish-red pyroxene and many impact-melted glass particles. Its study will help scientists to understand more about the origin and evolutionary history of the moon.

China’s Chang’e-5 successfully retrieved 1,731 grams of lunar soil. This is the first time China has obtained samples from the moon, and it is also the first time after nearly half of a century that human beings have collected samples from the moon again.

Previously, NASA’s six Apollo manned lunar missions brought back more than 382 kilograms of lunar rock and soil samples. And the Soviet Union collected 362 grams of lunar soil samples through unmanned probes.

The solar tower of the museum also opened to the public on Sunday.

It allows visitors to observe high-definition images of sunspots, solar flares and solar prominences through professional optical devices. Looking through a telescope one meter in diameter, people can enjoy beautiful views of the heavens.

The museum is located at 380 Lingang Avenue. Visiting hours are 9:30am to 4pm, Tuesday to Sunday, except for the first Monday after its opening.

According to Source of photos: internet