What’s up with Aditya L1 mission 10 days after launch from India?

The Aditya-L1 was launched from the Satish Dhawan Space Centre in Sriharikota onboard the space agency’s workhorse, the Polar Satellite Launch Vehicle (PSLV-C57).

The Aditya L1 spacecraft will launch in September. (Photo: India Today)

India’s first dedicated solar mission, Aditya-L1, is set to embark on its next phase of exploration after successfully launching into space on September 2.

The Indian Space Research Organisation (ISRO) has said that the spacecraft has completed three of its five Earth-bound manoeuvres and is now poised for its next move on September 15.

The Aditya-L1 was launched from the Satish Dhawan Space Centre in Sriharikota onboard the space agency’s workhorse, the Polar Satellite Launch Vehicle (PSLV-C57), marking another significant achievement for India’s space program.

The successful launch came just ten days after the landing of Isro’s moon mission, Chandrayaan-3 in the south polar region.

The satellite, named after the Sanskrit word for “Sun,” is equipped with seven distinct payloads developed indigenously by ISRO and academic institutions. These instruments are designed to study various aspects of the Sun’s atmosphere and its impact on space weather.

After its three earth-bound maneuvers, Aditya L1 is currently located at the orbit at 282 km x 40225 km.

The spacecraft is expected to reach its observation point in four months, where it will be placed in a halo orbit around Lagrangian Point 1 (or L1), a point in space between the Earth and the Sun that allows for continuous observation of the Sun.

Source: https://www.indiatoday.in/science/story/whats-up-with-aditya-l1-mission-10-days-after-launch-from-india-2434048-2023-09-11

 

Old NASA satellite falling to Earth, risk of danger ‘low’

An old NASA satellite is expected to fall to Earth this week, but experts tracking the spacecraft say chances are low it will pose any danger.

The defunct science satellite known as Rhessi will plummet through the atmosphere Wednesday night, according to NASA and the Defense Department.

NASA said Tuesday that the reentry location is not being disclosed, given lingering uncertainty over when and where it might go down. Most of the 660-pound (300-kilogram) satellite should burn up upon return, but some parts are expected to survive.

The space agency said in a statement the risk of anyone on Earth being harmed by plunging satellite pieces is “low” — about 1-in-2,467.

Rhessi — short for the Reuven Ramaty High Energy Solar Spectroscopic Imager — rocketed into orbit in 2002 to study the sun.

Before being shut down in 2018 because of communication problems, the satellite observed solar flares as well as coronal mass ejections from the sun. It captured images in high-energy X-rays and gamma rays, recording more than 100,000 solar events.

Source: https://apnews.com/article/nasa-satellite-space-falling-orbit-d9041dfa1034c622105d6954d521a5e6

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