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Luis Ho Pushes China Into World Astronomy Club

Luis Ho, 48, is the director of the Kavli Institute for Astronomy and Astrophysics and a professor at Peking University in Beijing. As an American researcher who has worked for more than two years in China, he has a unique perspective on the country’s scientific ambitions.

今年48岁的何子山(Luis Ho)是北京大学科维理天文与天体物理研究所(Kavli Institute for Astronomy and Astrophysics)所长,北京大学教授。作为已在中国工作两年多的美籍研究人员,他对这个国家在科学方面的抱负有独到的见解。

Dr. Ho is on leave from Carnegie Observatories in Pasadena, Calif. We spoke for nearly three hours this summer at his office there — it once belonged to Edwin P. Hubble — and later by telephone. A condensed and edited version of the conversation follows.

何子山在加州帕萨迪纳的卡内基科学研究院天文台(Carnegie Observatories)工作,目前休假中。今年夏天,我们在他位于那里的办公室(也曾是爱德文·P·哈勃[Edwin P. Hubble]的办公室)交谈了近三个小时,之后还通过电话。以下是访谈内容经过编辑的摘要版本。

Q. Where did you grow up?


A. In Mozambique, which during that time was still a colony of Portugal. In the Africa of my childhood, there was a clash of backgrounds. The Portuguese were not very accepting. There were many outward expressions of racism. Then, in the late 1970s, after the country became independent and essentially deteriorated into a very ugly civil war, we were forced to leave. They confiscated all my father’s properties. We left with our suitcases.


Q. Where did you go?


A. By a stroke of good fortune, we somehow got visas for the U.S., so to East Boston. I was 12, the only Asian in a very rough school. My father washed dishes. At school, people made fun of me. That made me determined to learn English quickly enough to get into a better school, which I did. I got into the best one in the city, the Boston Latin School. From there I went to Harvard, where it seemed as if I was the only person who wasn’t rich and worked. It felt like wherever I went I was the outsider.

答:由于运气好,我们不知怎么就获得了美国签证,因此去了东波士顿。当时我12岁,在一所很恶劣的学校里,我是唯一的亚裔学生。我的父亲在餐馆洗盘子。在学校里,人们都取笑我。这让我决心迅速学会英语,以便能到更好的学校去。我做到了。我进了这个城市中最好的学校,波士顿拉丁中学 (Boston Latin School)。我从那儿去了哈佛大学;在那里,我似乎是唯一一个不富裕,并且还要打工的人。我觉得好像自己无论去哪儿,都是一个局外人。

Q. When did that end for you?


A. One day at Harvard, I stumbled into a lecture about the black holes in the Milky Way. I was absolutely captivated. I sought out the lecturer, Paul Ho [no relation], and he immediately gave me a research project.

答:有一天,我在哈佛碰巧参加了一次关于银河系中黑洞的讲座。我完全被迷住了。我找到演讲者贺曾朴(Paul Ho),他立即就给了我一个研究项目。

One of the things I loved about astronomy was that it was not tied to the mundane. It was not even tied to our planet. Maybe this was a reaction against all the day-to-day things my family had to struggle with.


Q. What area of astronomy did you work in?


A. Black holes. I was one of the first people to show how common they are. This was one of the results of my doctoral thesis in 1995. Before, the thinking was that they should exist but that they were really very rare. I was able to demonstrate that every big galaxy has a nucleus containing supermassive black holes. This was suspected before, but I was able to prove it.


Q. How did you accomplish that?


A. By searching for an indirect way to show their existence. I looked for signs of energy, and what I found was that basically every galaxy had a black hole. We just hadn’t seen it before.


After I finished my doctorate, the Hubble Space Telescope was repaired. It made it possible to measure the rotation speed of the stars and gas around those black holes. The Hubble confirmed many of the points of my thesis.

在我修完博士学位后,哈勃太空望远镜(Hubble Space Telescope)已经修复。我可以利用它来测算这些黑洞周围星体和气体的旋转速度。哈勃望远镜印证了我论文中的许多观点。

Q. How central are black holes to understanding what the universe looks like?


A. We’re learning they are to be considered to be one of the key ingredients that make galaxies look the way they do. The big question is, how can something so tiny like a black hole influence the entire galaxy itself? The belief now is that they know how to talk to one another.


Q. We are living in an era of tremendous breakthroughs in our knowledge of the universe. Why are we learning so much now?


    蛐蛐英语 www.qqenglish.com

A. A lot of it is technology-driven. Astronomers have a lot of very nice new toys. The rapid development of astronomy is completely tied to access to big telescopes. That’s one reason why I urged China’s leaders to partner on one of the big new international telescopes.


China has great scientific ambitions. It’s an unwritten rule that to be part of the astronomy club, you need to be part of a big telescope. It wasn’t an easy sell. The three new telescopes that were coming were all to be on foreign soil, and that was a difficult concept. They eventually choose to join with Caltech, the University of California, Canada and India on the Thirty Meter Telescope.

中国在科学方面有很大的抱负。有一条不成文的规则:要想加入天文学俱乐部,就需要参与某个大型天文望远镜的建设。说服他们并不容易,三座新建的天文望远镜全都在外国领土上,这一点很难让他们接受。他们最终选择与加州理工学院(Caltech)、加州大学(University of California)、加拿大和印度合作建造三十米天文望远镜(Thirty Meter Telescope)。

Q. When you were growing up, did you ever think you’d come to live and work in China?


纽约时报中英文网 http://www.qqenglish.com

A. Not ever. One of the things that influenced me was meeting so many talented young Chinese scientists. I helped some get into American universities. I could relate to their struggles here. When they returned to China, it wasn’t always possible for them to succeed. There was a mismatch between their talents and opportunities.


Over the past decade, things have begun to change. China has made large science investments, and these people now have something to go back to. In 2013, when the Kavli people approached me, I felt I might have something to contribute to an environment like that.


Q. What appealed to you about the foundation’s offer?


A. It actually was very unappealing. It came at the worst possible moment. My wife and I had just had a baby. There were older kids in high school. They could not be uprooted. The job meant living in Beijing, with its pollution, traffic and cramped apartments. My wife, who stayed behind, said, “We’ll just have to make it happen.” My wife didn’t want me to lose this opportunity.


It involves a lot of juggling. To save commuting time, I sleep at my Peking University office. I get up at 5 a.m. to Skype my daughter. I tutor my son via the Internet.


I return to California every two months to see them.


Q. Chinese education has a reputation for being mechanistic and rigid. Have you found it that way?


A. They had a very rigid system because, in a different time, that’s what worked.


I know what made Carnegie an effective center for astronomy research. It was an environment that allowed a lot of free discussion and brainstorming. I’m trying to bring some of that to our institute in China.


My dream is that 20 years from now, the best students from Harvard and Princeton will want to go to Peking University, not the reverse. What my institute can do is provide an oasis where I can expedite the process, because I have more control over this little patch.


I think the Chinese system can evolve, and Kavli is providing one model. We have nonhierarchical interactive discussions. We’ve attracted very high-level visitors to lecture and teach. Already, our Kavli Institute attracts many non-Chinese postdocs, and they want to come here because they see the ferment.


The other thing is that China now has the means to invest in science. And it is willing to do so! Even in the most advanced countries, basic astronomy is a hobby science. Yet in China they are willing to spend on it. With that and these great human resources, the trick is to combine them.


Q. After a lifetime of travel and displacement, do you feel at home in Beijing?


A. That’s where I hope I can find a home. That’s why I work so hard to make the program successful. I am there for the long haul. I’ve been learning to speak and write the language. Funny thing: The last time I returned I actually missed the place. A year ago, it was the most alien place to me.




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