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Today's Headlines - 09 August 2023
Quit India Movement Day 2023
GS Paper - 1 (History)

The Quit India Movement, also known as the August Movement or Bharat Chodo Andolan, was a significant civil disobedience movement launched by Mahatma Gandhi and the Indian National Congress on 8 August 1942. The movement aimed to demand an end to British colonial rule in India and achieve full independence. On this day, 8th August, in 1942, Gandhi gave the famous "Do or Die" speech, urging the Indian people to act decisively and nonviolently against British rule.

More about the movement

The Quit India Movement was launched during World War II, when the British government's involvement in the war had strained its resources and the Indian people's patience with continued colonial rule had grown thin.
The movement was led by Mahatma Gandhi and supported by the Indian National Congress, which was the principal political party advocating for Indian independence.
The primary goal of the Quit India Movement was to demand an immediate end to British rule in India and to establish an independent and sovereign nation.
On 8 August 1942, Mahatma Gandhi gave his famous "Do or Die" speech, urging the Indian people to engage in nonviolent civil disobedience and to be prepared to sacrifice their lives for the cause of independence.
The movement saw widespread protests, strikes, and acts of civil disobedience across the country. People participated in marches, demonstrations, and various forms of nonviolent resistance.
The British colonial government responded with a heavy hand, imposing severe repressive measures to suppress the movement. Thousands of protesters were arrested, and there were incidents of violence and clashes with the police.

Impact of this Movement

The Quit India Movement contributed to weakening the British colonial administration in India and increased international pressure on the British government to address India's demand for independence.
The movement marked a turning point in India's struggle for independence and played a significant role in accelerating the process of decolonization. It demonstrated the determination and unity of the Indian people in their quest for freedom.
The movement set the stage for further negotiations and discussions between the Indian National Congress and the British government after World War II, ultimately leading to India's independence in 1947.

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Today's Headlines - 12 August 2023
Russia’s Luna-25 mission
GS Paper - 3 (Space Technology)

As the Chandrayaan-3 mission tightens its orbit around the Moon, Russia was launched its first moon-landing spacecraft in 47 years on 11 August 2023. The Luna-25 mission is scheduled to land on the Moon on 23 August 2023, the same day as Chandrayaan-3’s planned landing.

More about Luna-25

Luna-25 was launched from the Vosthochny cosmodrome in the Russian Far East less than a month after Chandrayaan-3 launched from the Satish Dhawan Space Center in Sriharikota.
The Russian mission will try to land on the lunar South Pole just like the Indian mission, aiming for a prized destination that may hold significant quantities of ice that could be used to extract oxygen and fuel in the future.
If either of the missions succeeds before the other, it will be the first one to land on the lunar South Pole in human history.
Roscosmos, Russia’s ISRO counterparts said that Luna-25 will practice soft-landing, analyse soil samples and conduct long-term scientific research on the Moon’s surface.
The Chandrayaan-3 mission is carrying an orbiter, a lander and a rover. The lander and rover are carrying many scientific payloads.
This is Russia’s first lunar mission since 1976 when the country was part of the Soviet Union and it will be completed without equipment from the European Space Agency (ESA). ESA ended its cooperation with Roscosmos after Russia invaded Ukraine.
Luna-25 has a mass of 1.8 tons and carries 31 kilograms of scientific equipment, including some that it will use to take rock samples from up to a depth of 15 centimetres to test for the presence of water that could be used to support future crewed missions to the Moon.
The mission was originally scheduled to launch in October 2021 but was marred by many delays.
The Russian mission will take a lot less time to reach the Moon than Chandrayaan-3 because the latter is taking a longer route that takes advantage of the gravities of the Earth and the Moon to use a lot less fuel.
Russia willevacuate villagers from a village near the launch site due to a “one in a million chance” that one of the rocket stages that launches could fall to the Earth there.

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Today's Headlines - 13 August 2023
Katchatheevu island a political issue
GS Paper - 2 (Polity)

Ahead of Sri Lankan President Ranil Wickremsinghe’s visit to New Delhi, Tamil Nadu Chief Minister MK Stalin wrote to PM Modi requesting him to retrieve the island. The transfer of Katchatheevu to Sri Lanka, by the Union government, without the state government’s consent, has deprived Tamil Nadu fishermen’s rights and adversely impacted their livelihoods.

Where is the island of Katchatheevu?

Katchatheevu is a 285-acre uninhabited speck in the Palk Strait, between India and Sri Lanka.
It is no more than 1.6 km in length and slightly over 300 m wide at its broadest point.
It lies northeast of Rameswaram, about 33 km from the Indian coast. It is about 62 km southwest of Jaffna, at the northern tip of Sri Lanka, and 24 km away from the inhabited Delft Island, belonging to Sri Lanka.
The only structure on the island is an early 20th century Catholic shrine – St Anthony’s church. During an annual festival, Christian priests from both India and Sri Lanka conduct the service, with devotees from both India and Sri Lanka making the pilgrimage.
This year, 2,500 Indians made the journey to Katchatheevu from Rameswaram for the festival.
Katchatheevu is not suited for permanent settlement as there is no source of drinking water on the island.
What is the island’s history?

The island is relatively new in the geological timescale, being the product of a 14-century volcanic eruption.
In the early medieval period, it was controlled by the Jaffna kingdom of Sri Lanka. In the 17th century, control passed to the Ramnad zamindari based out of Ramanathapuram, about 55 km northwest of Rameswaram.
It became part of the Madras Presidency during the British Raj. But in 1921, both India and Sri Lanka, at the time British colonies, claimed Katchatheevu in order to determine fishing boundaries.
A survey marked Katchatheevu in Sri Lanka, but a British delegation from India challenged this, citing ownership of the island by the Ramnad kingdom.

What is the agreement now?

In 1974, Indira Gandhi made attempts to settle the maritime border between India and Sri Lanka, once and for all.
As a part of this settlement, known as the ‘Indo-Sri Lankan Maritime agreement’, Indira Gandhi ‘ceded’ Katchatheevu to Sri Lanka.
At the time, she thought the island had little strategic value and that ceasing India’s claim over the island would deepen its ties with its southern neighbour.
Moreover, as per the agreement, Indian fishermen were still allowed to access Katchatheevu “hitherto”. Unfortunately, the issue of fishing rights was not ironed out by the agreement.
Sri Lanka interpreted Indian fishermens’ right to access Katchatheevu to be limited to “rest, drying nets and for visit to the Catholic shrine without visa”.
Another agreement in 1976, during the period of Emergency in India, barred either country from fishing in the other’s Exclusive Economic Zone.
Again, Katchatheevu lay right at the edge of the EEZs of either country, retaining a degree of uncertainty with regards to fishing rights.

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Today's Headlines - 19 August 2023
JWST discovered Earendel
GS Paper - 3 (Space Technology)

Astronomers have embarked on an extraordinary journey, utilizing the powerful gaze of the James Webb Space Telescope (JWST), to measure the most distant star ever observed - Earendel. This celestial entity came into the scientific spotlight after its discovery by the Hubble Space Telescope in the previous year.

Earendel and history of the universe

The awe-inspiring expansion of the universe since the Big Bang has propelled Earendel's residence to a colossal 28 billion light-years from Earth.
This revelation underscores the dynamic and evolving nature of the cosmos, where space itself unfurls over immense timescales.
Earendel's presence in the distant reaches of the universe was initially pinpointed through the phenomenon of gravitational lensing, a phenomenon where the gravitational pull of a massive foreground object acts like a lens, bending and amplifying the light of a more distant celestial body. This allowed Hubble to identify Earendel's distant glow.
What is Earendel?

Earendel is a distant star that holds the distinction of being the most distant star ever detected.
It was first discovered by the Hubble Space Telescope and has recently been studied further using the James Webb Space Telescope.
Earendel's light has taken approximately 12.9 billion years to reach Earth, meaning that it was shining not long after the universe's creation following the Big Bang.
This star is of significant interest due to its extreme distance and the insights it can provide about the early universe.
JWST's exploration of Earendel

The James Webb Space Telescope, with its unique vantage point and ability to observe in infrared light, built on Hubble's observations.
Employing a similar strategy of gravitational lensing, JWST used the gravitational influence of a cluster named WHL0137-08 to further explore Earendel's mysteries.
The telescope's Near-Infrared Camera (NIRCam) provided captivating insights, revealing Earendel to be a massive B-type star, boasting a temperature more than twice that of our sun and shining with a luminosity a million times greater.
What is JWST?

The James Webb Space Telescope (JWST) is a powerful astronomical observatory developed by NASA in collaboration with the European Space Agency (ESA) and the Canadian Space Agency (CSA).
It is designed to be the successor to the Hubble Space Telescope and is set to provide unprecedented views of the universe in infrared light.

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Today's Headlines - 24 August 2023
Vikram lander creates
history
GS Paper - 3 (Space Technology)

India became the first country to touch down on the lunar South Pole on 23 August 2023 as billions watched from around the globe. The Chandrayaan-3 lander - designed to deploy a smaller, 26-kg lunar rover - landed on the surface of the moon, marking a giant leap in India’s spacefaring journey.The Moon has captivated human curiosity for centuries, and with each new mission.

What is the Moon's geological history and evolution?

The Moon is estimated to be about 4.5 billion years old, roughly the same age as the Earth.
The leading theory about the Moon's formation suggests that a Mars-sized celestial body collided with the young Earth, and the debris from this collision eventually coalesced to form the lunar body.
However, current geological evidence from the Moon suggests that it may be younger by just 60 million years compared to Earth.
How much do things weigh on the Moon?

The Moon's gravitational pull is much weaker than Earth's, approximately one-sixth of Earth's gravity.
As a result, objects on the Moon weigh significantly less than they do on Earth. This is due to the Moon's smaller size and mass.
For example, a person weighing 68 kilograms on the Earth would weigh only over 11 kg on the Moon.
Why do Indian scientists want to land on the Moon's South Pole?

The lunar South Pole has become a focal point for exploration due to its unique features and potential scientific value.
It is believed to host a vast reservoir of water ice in permanently shadowed regions. The presence of water is of immense significance for future space exploration, as it can be converted into resources such as drinking water, oxygen and hydrogen for rocket fuel.
Also, the permanently sunlit area in the region has a temperature of around minus 50 to 10 degrees Celsius, which provides better chemical conditions for the electronics onboard the rover and lander to work properly.
What is in the lunar South Pole?

The terrain and geology at the Moon's South Pole are distinct from other regions. Permanently shadowed craters provide extremely cold conditions that allow water ice to accumulate and persist.
The unique geography of the South Pole also creates regions of perpetual sunlight, which can be harnessed for solar power.
The terrain varies from rugged landscapes to relatively flat plains, offering a diverse range of scientific opportunities.
Why is a region of the lunar South Pole permanently shadowed?

This depends on the Moon's geology. The Moon's axis is only slightly tilted relative to its orbit around the Earth.
This results in certain areas near the poles being in permanent shadow. These shadows create extremely cold environments where temperatures can plummet to very low levels.
These frigid conditions are conducive to preserving water ice for billions of years.

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