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China is creating a ‘magpie bridge’ to the far side of the moon

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Although it’s sometimes called the “dark side” of the moon, it’s not actually dark. The moon circles the Earth and gets illuminated by the sun in a tidal lock orbit, meaning the orbital period matches its rotational period. In other words, the same side is always facing us, and that’s where nearly all lunar missions have landed.



The Chang’e 4 mission will land on the surface and dispatch a rover for observation and analysis. Direct communication through the enormous mass of the moon is not possible, so Queqiao will provide a relay link to Chinese mission control. It will station itself at a Lagrange Point, a spot of gravitational equilibrium “behind” the moon as viewed from Earth.

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The name Queqiao means “bridge of magpies” and it comes from a folklore tale, as the state-owned Xinhuanet media outlet explains: “In a Chinese folktale, magpies form a bridge with their wings on the seventh night of the seventh month of the lunar calendar to enable Zhi Nu, the seventh daughter of the Goddess of Heaven, to cross and meet her beloved husband, separated from her by the Milky Way.”

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As detailed by Spaceflight Insider, Queqiao is part of Chang’e 4, China’s fourth lunar mission. The two Chang’e 1 and Chang’e 2 probes orbited the moon in 2007 and 2010, and Chang’e 3 landed a rover on the moon’s surface in 2013. The experimental Chang’e 5 T1 mission, launched in 2014, sent a capsule around the moon and returned to Earth. The capsule demonstrated its capability by surviving re-entry, and in 2019 Chang’e 5 will land on the lunar surface, collect rock and soil samples, then lift off and return them for scientific study.

Aside from its relay duties, Queqiao also includes a radio scanner known as the Netherlands-China Low-Frequency Explorer. Because it’s in the “shadow” of the moon, unaffected by the Earth’s interference, it can search for ancient radio signals of very low frequencies dating back to the early formation of the universe and perhaps even the Big Bang itself.

“Underlying the strong humming sound from the Milky Way, there are some emissions from the early phase of the universe and it will recur at certain frequencies,” astrophysics professor Heino Falcke told Quartz. “If you don’t have much background noise you may be able to see some certain frequencies and that tells us something about the universe. It requires an extremely quiet environment.”

The lander-rover duo Chang’e 4 will launch and land on the moon later this year, and China has made no secret of their plans for a manned mission to the moon in the future.

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Crime

French president pledges to oust anti-Semitism

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France President Emmanuel Macron has disclosed his intention to end anti-Semitism due to the  rate in which racism is growing.



When addressing the Representative Council of French Jewish Institutions (CRIF), he pledge to introduce legislation to oust hate speech and expresses his desire to cooperate with social media firms to identify the authors.

“Our country, and for that matter all of Europe and most Western democracies, seems to be facing a resurgence of anti-Semitism unseen since World War II,” Macron said on Wednesday.

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In addition he said “Behind the negation of Israel’s existence, what is hiding is the hatred of Jews.”

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French president added that anti-Semitism is based on “radical Islamism” as a rampant ideology in France’s multi-ethnic, poor neighborhoods.

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Crime

Fire out-break leave scores dead in Bangladesh’s Capital, Dhaka.

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Two source knowledgeable with the blaze that broke out on Wednesday evening has confirmed that the incident had claim at least 60 resident in Bangladesh’s Capital, Dhaka.



The fire fighter was seen struggling to bring the blaze under control as the fire wax stronger when it spread to surrounding house filled with plastic and gas cylinder.

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However, many of the bodies were burned beyond recognition, duo the authorities has disclose that DNA test will be conducted and has assure the resident that they will conduct an investigate the cause of the fire.

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President Abdul Hamid, Prime Minister Sheikh Hasina expressed deep shock at the incident and sympathy with the families of those killed in the fire.

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Home Minister Asaduzzaman Khan Kamal visited the scene and announced the formation of a committee to investigate the fire, which will submit its report within seven days.

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