General Awareness

SCIENCE & TECHNOLOGY - July 2018

Jul 2018

Jan 12, 2023

Scientists Discover Earth-Sized Planet in the Habitable Zone

Scientists from NASA discovered an Earth-sized planet in the habitable zone, where liquid water could potentially exist on its surfaces. The scientists used NASA's Transiting Exoplanet Survey Satellite and identified an Earth-size world, called TOI 700 e. The world is 95 per cent Earth's size and likely rocky.
Astronomers previously discovered three planets in this system, called TOI 700 b, c, and d. Planet d also orbits in the habitable zone. But scientists needed an additional year of TESS observations to discover TOI 700 e.

Start Me Up UK Space Mission that Failed

The historic space mission 'Start Me Up' that took off from Cornwall ended in bitter disappointment after a rocket carrying the first satellites launched from British soil failed to reach orbit and was lost.
To whoops and cheers from a crowd that had gathered at Spaceport Cornwall to watch the launch, a converted Boeing 747 called Cosmic Girl took off and headed out across the Atlantic.
It successfully released its rocket, called LauncherOne, carrying a payload of nine satellites off the south coast of Ireland.
But shortly after Virgin Orbit, which led the mission, announced there had been "an anomaly" and the rocket failed to reach the required altitude.
The rocket and satellites were lost but the UK Space Agency insisted they posed no danger and were expected to burn or break up over the north Atlantic. The 747 returned to Cornwall safely.
The Start Me Up mission was heralded as the start of a new space era for the UK.

Jan 11, 2023

Astronomers Find most Distant Stars in Our Galaxy

Astronomers discovered more than 200 distant variable stars known as RR Lyrae stars in the Milky Way's stellar halo. The most distant of these stars is more than a million light-years from Earth, almost half the distance to our neighbouring galaxy, Andromeda, which is about 2.5 million light-years away.
The characteristic pulsations and brightness of RR Lyrae stars make them excellent "standard candles" for measuring galactic distances. These new observations allowed the researchers to trace the outer limits of the Milky Way's halo.

Indian-American Replaces another Indian-American as NASA Chief Technologist

An Indian-American aerospace industry expert was appointed as NASA's new chief technologist to serve as principal advisor to Administrator Bill Nelson on technology policy and programmes at the space agency's headquarters.
A. C. Charania joined the space agency in his new role and replaced another Indian-American scientist Bhavya Lal, who served as acting chief technologist prior to the former's appointment.
Mr Charania will align NASA's agencywide technology investments with mission needs across six mission directorates and oversee technology collaboration with other federal agencies, the private sector, and external stakeholders.
Charania is an experienced leader in managing large, rapidly shifting technology portfolios.

Jan 10, 2023

NASA Satellite Falls from Sky off Alaska

After almost 40 years circling Earth, a retired NASA science satellite plunged harmlessly through the atmosphere off the coast of Alaska.
Last week NASA had said that it expected most of the 5,400-pound (2,450-kilogram) Earth Radiation Budget Satellite to burn up in the atmosphere, but that some pieces might survive.
Space shuttle Challenger carried the satellite into orbit and the first American woman in space set it free. The satellite measured ozone in the atmosphere and studied how Earth absorbed and radiated energy from the sun, before being retired in 2005, well beyond its expected working lifetime.

Jan 09, 2023

MoS for Culture Arjun Ram Meghwal Inaugurates Astro Tourism - A Sky Gazing Event

National Council of Science Museums in association with Nehru Memorial Museum and Library organised Astro Tourism - A Sky Gazing event at Delhi's India Gate. The event was inaugurated by Minister of State for Culture, Arjun Ram Meghwal.
Mr. Meghwal said that the programme will help in developing scientific temper among the people.
The Astro Tourism event included various activities like Astro talks by expert astronomers, an exhibition on astronomy, storytelling related to celestial objects, an experience of using the telescope to see the craters of the Moon, Astronomy activities, a photographic panel exhibition, and astro-photography.

Jan 08, 2023

ISRO to Launch Space Kidz India Satellite Made by 750 School Children

Space Kidz India, a Chennai-based space tech start-up is slated to launch their satellite made by 750 girls studying in government schools across the country aboard an Indian Space Research Organisation (ISRO) launch vehicle later this month.
Last year, Space Kidz's payloads were onboard Skyroot Aerospace's Vikram-S launch vehicle, the first Indian private rocket to launch into space.
A targeted launch date of January 16 has been set for the satellite named AzaadiSAT, but it is subject to change due to various factors.
Space Kidz India selected 10 girl students from 75 government schools across the country for this mission. "The selected students are predominantly from class VIII to XII.

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