After the Moon, India Launches Rocket to Study the Sun

This handout screen grab taken and received from the live feed of Indian Space Research Organization (ISRO) website on September 2, 2023, shows the Aditya-L1 spacecraft take off from Sriharikota, on a voyage to the center of the Sun. (Photo by ISRO / AFP)
This handout screen grab taken and received from the live feed of Indian Space Research Organization (ISRO) website on September 2, 2023, shows the Aditya-L1 spacecraft take off from Sriharikota, on a voyage to the center of the Sun. (Photo by ISRO / AFP)
TT

After the Moon, India Launches Rocket to Study the Sun

This handout screen grab taken and received from the live feed of Indian Space Research Organization (ISRO) website on September 2, 2023, shows the Aditya-L1 spacecraft take off from Sriharikota, on a voyage to the center of the Sun. (Photo by ISRO / AFP)
This handout screen grab taken and received from the live feed of Indian Space Research Organization (ISRO) website on September 2, 2023, shows the Aditya-L1 spacecraft take off from Sriharikota, on a voyage to the center of the Sun. (Photo by ISRO / AFP)

Following the success of India's moon landing, the country's space agency launched a rocket on Saturday to study the sun in its first solar mission.
The rocket left a trail of smoke and fire as scientists clapped, a live broadcast on the Indian Space Research Organization’s (ISRO) website showed.
The broadcast was watched by nearly 500,000 viewers, while thousands gathered at a viewing gallery near the launch site to see the lift-off of the probe, which will aim to study solar winds, which can cause disturbance on earth commonly seen as auroras, Reuters reported.
Named after the Hindi word for the sun, the Aditya-L1 launch follows India beating Russia late last month to become the first country to land on the south pole of the moon. While Russia had a more powerful rocket, India's Chandrayaan-3 out-endured the Luna-25 to execute a textbook landing.
The Aditya-L1 spacecraft is designed to travel about 1.5 million km (930,000 miles) over four months to a kind of parking lot in space where objects tend to stay put because of balancing gravitational forces, reducing fuel consumption for the spacecraft.
Those positions are called Lagrange Points, named after Italian-French mathematician Joseph-Louis Lagrange.
The mission has the capacity to make a "big bang in terms of science," said Somak Raychaudhury, who was involved in the development of some components of the observatory, adding that energy particles emitted by the sun can hit satellites that control communications on earth.
"There have been episodes when major communications have gone down because a satellite has been hit by a big corona emission. Satellites in low earth orbit are the main focus of global private players, which makes the Aditya L1 mission a very important project," he said.
Scientists hope to learn more about the effect of solar radiation on the thousands of satellites in orbit, a number growing with the success of ventures like the Starlink communications network of Elon Musk's SpaceX.
"The low earth orbit has been heavily polluted due to private participation, so understanding how to safeguard satellites there will have special importance in today's space environment," said Rama Rao Nidamanuri, head of the department of earth and space sciences at the Indian Institute of Space Science and Technology.
Longer term, data from the mission could help better understand the sun's impact on earth's climate patterns and the origins of solar wind, the stream of particles that flow from the sun through the solar system, ISRO scientists have said.
Pushed by Prime Minister Narendra Modi, India has privatized space launches and is looking to open the sector to foreign investment as it targets a five-fold increase in its share of the global launch market within the next decade.



‘Secret City’ Discovered Underneath Greenland’s Ice Sheets

Construction on the mysterious base began in 1959 (Getty)
Construction on the mysterious base began in 1959 (Getty)
TT

‘Secret City’ Discovered Underneath Greenland’s Ice Sheets

Construction on the mysterious base began in 1959 (Getty)
Construction on the mysterious base began in 1959 (Getty)

Deep below the thick ice of Greenland lies a labyrinth of tunnels that were once thought to be the safest place on Earth in case of a war.

First created during the Cold War, Project Iceworm saw the US plan to store hundreds of ballistic missiles in a system of tunnels dubbed “Camp Century,” Britain’s the METRO newspaper reported on Wednesday.

At the time, it said, US military chiefs had hoped to launch a nuclear attack on the Soviet Union during the height of Cold War tensions if things escalated.

But less than a decade after it was built, the base was abandoned in 1967 after researchers realized the glacier was moving.

Now, the sprawling sub-zero tunnels have been brought back to attention in the stunning new images.

Alex Gardner, a cryospheric scientist at Nasa’s jet propulsion laboratory said: “We were looking for the bed of the ice and out pops Camp Century. We didn’t know what it was at first. In the new data, individual structures in the secret city are visible in a way that they’ve never been before.”

The underground three-kilometer network of tunnels played host to labs, shops, a cinema, a hospital, and accommodation for hundreds of soldiers.

But the icy Greenland site is not without its dangers – it continues to store nuclear waste.

Assuming the site would remain frozen in perpetuity, the US army removed the nuclear reactor installed on site but allowed waste – equivalent to the mass of 30 Airbus A320 airplanes – to be entombed under the snow, the magazine said.

But other sites around the world – without nuclear waste – could also serve as a safe haven in case of World War 3.

Wood Norton is a tunnel network running deep into the Worcestershire forest, originally bought by the BBC during World War 2 in case of a crisis in London.

Peters Mountain in Virginia, US, serves as one of several secret centers also known as AT&T project offices, which are essential for the US government’s continuity planning.

Further north in the states, Raven Rock Mountain Complex in Pennsylvania is a base that could hold up to 1,400 people.

And Cheyenne Mountain Complex in El Paso County, Colorado, is an underground complex boasting five chambers of reservoirs for fuel and water – and in one section there’s even reportedly an underground lake.