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www.tnpsc.academy – Tnpsc current affairs jan in English – Jan. 31, 2017 (31/01/2017)
Topic : Science – Science and Technology
Vampire star
India’s space observatory ASTROSAT, has captured the rare phenomenon of a small six billion year old “vampire star” on a bigger celestial body.
Why is it called a vampire star?
The vampire star, which is in blue in colour and smaller in size present in the binary system of stars.
This vampire star sucks the material from one of the bigger companion star to become blue straggler.
The small star becomes bigger, hotter and bluer, which gives it the appearance of being young, while the ageing companion burns out and collapses to a stellar remnant.
About ASTROSAT:
ASTROSAT is India’s first dedicated multi wavelength space observatory.
This scientific satellite mission endeavours for a more detailed understanding of our universe.
ASTROSAT is designed to observe the universe in the Visible, Ultraviolet, low and high energy X-ray regions of the electromagnetic spectrum simultaneously with the help of its five payloads.
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Topic : History – Latest Diary of Events
Prevention of Cruelty to Animals Bill 1960 Act Amendment
The Karnataka state cabinet approved amending Prevention of Cruelty to Animals Bill, 1960 Act to legalize the Kambala and Bullock Cart Race which is a traditional festival held annually in Karnataka.
The amendment Bill will be introduced by the state cabinet in the legislature session scheduled to be begin from February 6,2017.
Topic : Science – Science and Technology
India to launch standby navigation satellite (NAVIC)
India is planning to launch one of its back up navigation satellites this year as a replacement to IRNSS-1A satellite, whose three atomic clocks have failed.
Each of seven satellites has three clocks. The clocks are important to provide precise data.
About NAVIC:
Indian satellite navigation system NavIC consists of seven satellites in orbit and two as substitutes.
Starting in July 2013, the Indian space agency has launched all the seven navigation satellites.
The last one was launched on April 28, 2016. Each satellite has a life span of 10 years.
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