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Misi China ke Mars Dahului AS, Persaingan Dibawa Hingga ke Antariksa
Misi China ke Mars Dahului AS, Persaingan Dibawa Hingga ke Antariksa

Natasha Khairunisa Amani
24 Jul 2020, 09:02 WIB


Misi China ke Mars Dahului AS, Persaingan Dibawa Hingga ke Antariksa

Roket Long March 5B lepas landas dari Pusat Peluncuran Ruang Angkasa Wenchang di Provinsi Hainan, China, Selasa (5/5/2020). Ini adalah kali pertama roket Long March 5B melancarkan misi luar angkasa. (Tu Haichao/Xinhua via AP)


Liputan6.com, Beijing- China meluncurkan misi ke Mars pada Kamis 23 Juli. Jadwal peluncuran itu berdekatan dengan misi Mars Amerika Serikat dan membawa persaingan mereka ke antariksa.
Kedua negara sama-sama mengambil kesempatan yang baik di mana Bumi dan Mars sedang berada dalam jarak terdekat untuk meluncurkan kendaraan luar angkasa.
Pesawat ruang angkasa AS dijadwalkan akan lepas landas pada 30 Juli mendatang.
Sebelum China dan AS, Uni Emirat Arab telah meluncurkan misinya ke Planet Merah pada Senin 20 Juli.
Kendaraan luar angkasa untuk misi China ke Mars itu bernama Tianwen-1, yang dibawa oleh Roket Long March 5. Roket tersebut juga merupakan yang terbesar di China.
Para insinyur dan karyawan lainnya dilaporkan tampak bersorak di lokasi peluncuran yang berlokasi di Pulau Hainan saat Roket Long March 5lepas landas ke langit biru. 
Dalam siaran nasional televisi China CCTV, komandan situs peluncuran, Zhang Xueyu mengumumkan keberhasilan misi tersebut. Tianwen-1 diprediksi tiba di Mars pada Februari 2021 atau selama 7 bulan menempuh perjalanan sejauh 55 juta kilometer.
Misi tersebut mencakup pengorbit Mars, yang merupakan sebuah lander, dan rover yang akan mempelajari permukaan planet tersebut. 

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Persaingan sengit yang akan dipantau terjadi antara AS dan China, di mana Negeri Tirai Bambu Tersebut berusaha keras untuk menyamai supremasi AS di angkasa luar.
Seorang astronom di Harvard-Smithsonian Center for Astrophysics, Jonathan McDowell, menyebut misi China itu mirip dengan misi Viking yang diluncurkan oleh NASA pada tahun 1975-1976.
Tianwen-1 "secara umum sebanding dengan Viking dalam cakupan dan ambisinya," ujar McDowell.
Selain itu, ia juga mengatakan, "Sebagai percobaan pertama untuk China, saya tidak berharap untuk melakukan sesuatu yang signifikan di luar apa yang telah dilakukan AS."
Sejak akhir 1990-an, Badan Antariksa AS NASA telah mengirim empat penjelajah ke Mars, seperti dikutip dari AFP, Jumat (24/7/2020).
 
 
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Gelontarkan Dana Hingga Miliaran Dolar AS
Misi China ke Mars Dahului AS, Persaingan Dibawa Hingga ke Antariksa

Penampakan awan di Planet Mars (NASA)

China diketahui sudah mengirim dua rover ke Bulan. Dengan misi kali ini, China akan menjadi negara pertama yang berhasil melakukan soft landing dari posisi yang jauh.
Dalam program luar angkasanya, China bahkan sampai mengeluarkan miliaran dolar Amerika, setelah melihat AS memimpin misi-misi ke ruang angkasa. 
Seorang analis independen di GoTaikonauts.com, Chen Lan, menuturkan bahwa "China yang bergabung (dalam perlombaan Mars) akan mengubah situasi yang didominasi oleh AS selama setengah abad."
GoTaikonauts.com merupakan platform yang membahas tentang program luar angkasa China.
Namun ternyata, Tianwen-1 bukanlah upaya misi pertama China ke Mars. Pada tahun 2011, misi sebelumnya yang diluncurkan bersama Rusia berakhir gagal.
Tetapi kini, China masih bersemangat untuk meluncurkan misinya ke Mars sendirian. 
Banyaknya misi ke Mars yang diketahui berujung gagal yang dialami oleh AS, Rusia, Eropa, Jepang, dan India sejak 1960.
Namun, misi negara tersebut ke Bulan memberinya pengalaman dalam mengoperasikan pesawat ruang angkasa di luar orbit Bumi, tetapi Mars disebut sebagai hal yang berbeda. 
Jonathan McDowell mengatakan, jarak yang jauh lebih besar berarti "waktu tempuh cahaya yang lebih besar, jadi Anda harus melakukan lebih lambat karena waktu bolak-balik sinyal radio besar."
Ini juga berarti "Anda perlu stasiun bumi yang lebih sensitif di Bumi karena sinyal akan jauh lebih redup," tambah McDowell, mencatat bahwa ada risiko kegagalan dapat menjadi lebih besar.
Kendati demikian, menurut laporan Xinhua pada pekan lalu, China telah meningkatkan stasiun pemantauannya di barat daya wilayah Xinjiang dan Provinsi timur laut Provinsi Heilongjiang untuk memenuhi persyaratan misi ke Mars. 
"Selama (Tianwen) bisa dengan aman mendarat di permukaan Mars dan mengirim kembali gambar pertama, misinya akan menjadi sukses besar," tutur Chen Lan.
 
https://www.liputan6.com/global/read...a-ke-antariksa

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50 years after US moon landing, China is catching up in the space race
50 years after US moon landing, China is catching up in the space race

By Ben Westcott, Matt Rivers and Lily Lee, CNN

Updated 0054 GMT (0854 HKT) July 20, 2019
China is setting the stage for next space race


Hong Kong (CNN)Fifty years ago, when the Apollo 11 astronauts became the first human beings to land on the moon, the Chinese space program had yet to launch a single satellite.
The fierce space race between the United States and the Soviet Union had left behind Beijing, which launched its first manned space flight in 2003, more than 40 years after NASA's achievement.
But in recent decades, as China has grown richer and more powerful, its space program has accelerated.

Buoyed by billions of dollars in government investment, Beijing has fired space labs and satellites into orbit and even become the first country to send an unmanned rover to the far side of the moon.

Private Chinese companies are also investing in space research and technology, with the country's first successful private rocket launch taking place in May 2018.
Even greater ambitions are on the horizon -- Beijing is working toward sending astronauts to the moon and, eventually, Mars.
"China is just bigger than everyone else -- they have more people, they have more engineers, they have more scientists," said Blaine Curcio, founder of Hong Kong-based space industry research firm Orbital Gateway Consulting.
"The implication is that, if they keep getting better at scale, they are probably going to be come the leading power at some point. It's just a matter of time."
'We too shall make satellites'
At the start of the space race in the late 1950s, Communist Party founder Mao Zedong declared: "We too shall make satellites."
It took just over 10 years for China to launch its first satellite, the Dongfanghong-1 -- The East is Red 1 -- on April 24, 1970, at the peak of the chaos of the Cultural Revolution.
As scientific research suffered during this destructive period, then Premier Zhou Enlai moved the space program under the arm of the military leadership to protect it, according to state news agency Xinhua.
Aided by the economic reforms of the 1980s, China's space program quietly progressed until the launch of the first manned mission in 2003. Since then, China has sent six crews into space and launched two space labs into Earth's orbit.

Misi China ke Mars Dahului AS, Persaingan Dibawa Hingga ke Antariksa
A Long March 3B rocket lifts off from Xichang, in China's southwestern Sichuan province, on December 8.

The second space lab Tiangong 2 -- or Heavenly Palace 2 -- was expected to return to Earth in a controlled demolition on Friday, having already exceeded its planned 2-year life span.
During its time in operation, it conducted 14 projects and hosted a team of astronauts, who took part in China's longest-ever, 33-day long crewed space mission.
In 2013, China became only the third country to perform a successful lunar landing, after the United States and Russia, when the Yutu 1 rover touched down on the surface of the moon.
They bettered that this year when Yutu 2 landed on the far side of the moon, an achievement NASA Administrator Jim Bridenstine praised as "a first for humanity and an impressive accomplishment."
The Yutu 2 rover's primary purpose was research -- exploring an area previously untouched by humanity and answering questions such as whether the moon's poles have water or other resources.
In a statement, China's National Space Administration said the landing "opened a new chapter in humanity's exploration of the moon."
It also showed just how far Chinese space technology had come.
A guide wearing a spacesuit puts on a helmet at "Mars Base 1", a C-Space Project, in the Gobi desert, some 40 kilometres from Jinchang in China's northwest Gansu province on April 17.
A guide wearing a spacesuit puts on a helmet at "Mars Base 1", a C-Space Project, in the Gobi desert, some 40 kilometres from Jinchang in China's northwest Gansu province on April 17.
Billion-dollar tech race
There are no official public figures on China's investment in space exploration but consulting firm Euroconsult estimates it to be about $5.8 billion (40 million yuan) for 2019.
While that's only about a quarter of the $22.6 billion budget requested by the NASA Space Agency in the US for 2020. Despite the funding gap, China's ambitions are no smaller than those of its US competitor.
Space has been singled out by the Chinese government in the 13th Five Year Plan as a research priority, especially deep space explorations and in-orbit space craft.

China plans to send a rover to explore Mars next year
According to Chinese state media, the government is aiming to build additional research capacity through new satellites and laboratories, as well as signing space exploration agreements with partners including Pakistan.
The architect of China's lunar exploration program, Wu Weiren, said in March that the Chinese government would launch a Mars probe in 2020. Beijing is also planning to launch a permanent space station by 2022. There are even preliminary plans to become the second country in the world to put a person on the surface of the moon, possibly in the 2030s.
That might seem ambitious, but space consultant Curcio said that China has been on track for its space plans. "If you look at what they were saying 10 years ago ... they've been pretty much hitting those targets," he said.
It it's not only the government taking part in the space race, either. Inspired by US pioneers such as Elon Musk's SpaceX, China's private space industry now boasts more than 60 companies. OneSpace became China's first private company to launch a rocket in 2018 -- the 9-meter-tall OS-X rocket which took off from a base in northwestern China -- after only three years in operation.
"There is such good soil in China now," said Mao Chao, president of OneSpace. "People are positive and enthusiastic about aerospace and the government is supporting and guiding us ... China will certainly catch up with and surpass US aerospace."
China isn't alone in trying to rapidly advance its space program. Japan's space agency has successfully landed rovers on the asteroid Ryugu as part of research into the formation of the solar system, while India is on the verge of becoming the fourth country to land a rover on the moon.
But it is only the US and China who are actively trying to put a person on the moon in the near future, in an echo of the Cold War rivalry between Moscow and Washington. US President Donald Trump has called on NASA to conduct another moon landing by 2024.

Curcio said that in his estimation, the Chinese space program was perhaps now only 10 to 15 years behind the US's in terms of technology.
"They've caught up rather quickly," he said.

CNN's James Griffiths contributed to this article.
https://edition.cnn.com/2019/07/19/a...hnk/index.html

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