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Mars landing 2021: Ingenuity helicopter to fly on Mars


BBC News
Mars: Nasa helicopter Ingenuity flight a success
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Nasa has confirmed that this small helicopter has made history by becoming the first to successfully fly on another planet.
Ingenuity is a 1.8kg (4lb) helicopter that travelled to Mars inside Nasa s Perseverance rover, which landed in February 2021.
Flying on the Red Planet isn t straightforward - as BBC science reporter Laura Foster and Nasa systems engineer Farah Alibay explain.
Video by Laura Foster ....

Laura Foster , Correspondent Laura Foster , லாரா வளர்ப்பு , நிருபர் லாரா வளர்ப்பு ,

Mars landings that did (and didn't) go to plan


BBC News
Mars landings: How many landings on Mars?
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China s Tianwen-1 will attempt a similar feat in May or June.
The US and the former Soviet Union are the only countries to successfully land on the Red Planet, though more have sent spacecraft to enter Mars orbit.
Science reporter Laura Foster looks back at 60 years of successes and failures.
Published ....

United States , Laura Foster , China National Space Administration , China National Space , Soviet Union , Reporter Laura Foster , ஒன்றுபட்டது மாநிலங்களில் , லாரா வளர்ப்பு , சீனா தேசிய இடம் , சோவியத் தொழிற்சங்கம் , நிருபர் லாரா வளர்ப்பு ,

Sinovac and Sinopharm - what do we know about the Chinese vaccines?


Sinovac and Sinopharm - what do we know about the Chinese vaccines?
Sinovac and Sinopharm - what do we know about the Chinese vaccines?
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China has been developing Covid-19 vaccines since the very beginning of the pandemic.
It was the first country in the world to give a vaccine to some of its population in summer 2020.
It currently has 16 different vaccines at various stages of development, but the current front-runners are from Sinovac and Sinopharm.
China has agreed deals with more than 20 countries and has plans to export vaccines all over the world.
BBC Health Correspondent Laura Foster takes a closer look. ....

Health Correspondent Laura Foster , Correspondent Laura Foster , ஆரோக்கியம் நிருபர் லாரா வளர்ப்பு , நிருபர் லாரா வளர்ப்பு ,