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BENGALURU: The European Space Agency’s (ESA) Proba-3 mission is slated to launch aboard India’s PSLV this September. According to ESA, the modern mission will display precision formation flying between two satellites to create an synthetic eclipse, revealing new views of the Sun’s faint corona.
Proba-3 consists of two small satellites — a Coronagraph spacecraft and a solar-disc-shaped Occulter spacecraft.ESA stated that by flying in tight formation about 150 metres aside, the Occulter will exactly forged its shadow onto the Coronagraph’s telescope, blocking the Sun’s direct gentle. This will enable the Coronagraph to picture the faint photo voltaic corona in seen, ultraviolet and polarised gentle for a lot of hours at a time.
“Through exquisite, millimetre-scale, formation flying, the dual satellites making up Proba-3 will accomplish what was previously a space mission impossible: Cast a precisely held shadow from one platform to the other, in the process blocking out the fiery Sun to observe its ghostly surrounding atmosphere on a prolonged basis,” ESA stated.
Scientists hope Proba-3’s distinctive vantage level will present new insights into the origins of coronal mass ejections (CMEs) — eruptions of photo voltaic materials that may disrupt satellites and energy grids on Earth. The mission may even measure complete photo voltaic irradiance, monitoring modifications within the Sun’s power output which will affect Earth’s local weather.
“The miniature satellites recently underwent final integration and were viewed in person by Proba-3’s Science Working Team. Members of the team plan to test flight hardware during April’s total solar eclipse over North America, gaining valuable experience for interpreting Proba-3’s future results,” ESA stated.
Following the PSLV’s launch from India and a difficult sequence of orbital manoeuvres, the world will witness Proba-3’s photo voltaic observations, which ESA believes, may pioneer new generations of formation-flying area telescopes peering deeper into astronomical mysteries.
Damien Galano, ESA’s Proba-3 undertaking supervisor, stated: “The best way to reduce diffraction is to increase the distance between the occulter and the coronagraph, which is precisely what Proba-3 is going to do. We are flying our Coronagraph and Occulter on separate platforms for the first time, flying 150m apart for up to six hours per orbit, applying an array of positioning technologies to keep them rigidly in place.”
Proba-3 consists of two small satellites — a Coronagraph spacecraft and a solar-disc-shaped Occulter spacecraft.ESA stated that by flying in tight formation about 150 metres aside, the Occulter will exactly forged its shadow onto the Coronagraph’s telescope, blocking the Sun’s direct gentle. This will enable the Coronagraph to picture the faint photo voltaic corona in seen, ultraviolet and polarised gentle for a lot of hours at a time.
“Through exquisite, millimetre-scale, formation flying, the dual satellites making up Proba-3 will accomplish what was previously a space mission impossible: Cast a precisely held shadow from one platform to the other, in the process blocking out the fiery Sun to observe its ghostly surrounding atmosphere on a prolonged basis,” ESA stated.
Scientists hope Proba-3’s distinctive vantage level will present new insights into the origins of coronal mass ejections (CMEs) — eruptions of photo voltaic materials that may disrupt satellites and energy grids on Earth. The mission may even measure complete photo voltaic irradiance, monitoring modifications within the Sun’s power output which will affect Earth’s local weather.
“The miniature satellites recently underwent final integration and were viewed in person by Proba-3’s Science Working Team. Members of the team plan to test flight hardware during April’s total solar eclipse over North America, gaining valuable experience for interpreting Proba-3’s future results,” ESA stated.
Following the PSLV’s launch from India and a difficult sequence of orbital manoeuvres, the world will witness Proba-3’s photo voltaic observations, which ESA believes, may pioneer new generations of formation-flying area telescopes peering deeper into astronomical mysteries.
Damien Galano, ESA’s Proba-3 undertaking supervisor, stated: “The best way to reduce diffraction is to increase the distance between the occulter and the coronagraph, which is precisely what Proba-3 is going to do. We are flying our Coronagraph and Occulter on separate platforms for the first time, flying 150m apart for up to six hours per orbit, applying an array of positioning technologies to keep them rigidly in place.”
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