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Mangaluru, Apr 23: An astronomical phenomenon, ‘Zero Shadow Day', will be observed in Mangaluru on April 24 and in Udupi on April 25. 

According to a press release from Poornaprajna Amateur Astronomers’ Club, the wonder will commence and people will see their shadows disappear for a few moments at 12:28 pm.

The phenomenon is called as Zero Shadow Day. If a person takes a candle in a dark room and use it to create a shadow of one’s palm on the wall, the hand will cast shadow on the wall as one moves the hand. But when one places the palm on the wall, there will be no shadow.

In the phenomenon, the sun at these times shines exactly above the heads on these days. In astronomy, this point is called as Zenith. The point in the sky directly above an observer at any given location. So it is quite clear now that on Zero Shadow Day, the sun passes through the Zenith as a result of which, all objects will have minimal or no shadow if they are on the ground.

The reason for this happens on some specific days is concerned with astronomy. The earth spins around on its own axis and causes days and nights. It also revolves around the sun causing a year. But the seasons are caused because the axis is tilted at an angle of 23.5 degrees. It is because of this tilt that the sun rises every day in the east gradually moving towards the north till June 21st and then slowly proceeding towards the south till December 21st every year. “We call these days solstice. This means the sun shines between the Tropic of Cancer and Tropic of Capricorn every day passing by the equator on the days we call equinox,” the release stated.

As the earth moves around the sun and revolves on its own axis, for all the people between Tropic of Cancer and Tropic of Capricorn, the Sun at noon moves father and closer to the zenith passing through zenith twice causing two Zero Shadow Days per year. People at Mangaluru will observe this on April 24 and August 18 every year and People in Udupi will observe this on April 25 and August 17 every year.

Places with same latitudes will observe the same days of Zero Shadow but the time would vary with longitude. For example, people of Bengaluru as they share the latitude with Mangaluru will also observe it on April 24. While the people of Mangaluru will observe their shadows disappear at 12.28pm, people of Bengaluru will observe this at 12:17pm. Places like Moodabidri, Bantwal, Sakleshpur and Hassan will also observe Zero Shadow on April 24.

Places like Brahmavar, Karkala, Sringeri, Kudremukha, Chikkamagaluru will observe the Zero Shadow Day on the same day as Udupi on April 25.

Bengaluru, Jul 4: Karnataka Congress leader Dinesh Gundu Rao said on Saturday that he and his family would get tested for COVID-19 after one of his security persons tested positive for the infection.

Rao's family will also be in-home quarantine for the stipulated time.

"One of my police security person has tested positive for COVID yesterday. My family members and I are getting tested now and will be in-home quarantine for the stipulated time period. None of us are showing any symptoms," he said.

The total number of cases in Karnataka stands at 19,710. Out of them, 8,805 have recovered and 293 patients have lost their lives, according to the Union Health Ministry.

Across the country, the total number of cases stands at 6,48,315. As many as 3,94,227 patients have recovered so far and 18,655 have lost their lives due to the virus.

Bengaluru, Jun 11: Most COVID-19 deaths in Karnataka occur when infected elderly people, those with Severe Acute Respiratory Illness (SARI) or any other symptoms delay reaching designated hospitals, a top official said.

Munish Moudgil, chief of COVID-19 War Room in the state, said most of those infected with the virus are brought to COVID-19 designated hospitals at a very late stage and recovery then becomes extremely tough.

He said about 65 per cent of those killed suffered from SARI and are aged above 60.

The death rate due to SARI is 43 per cent for those in the 40-60 age group, he said, releasing data on coronavirus deaths, to reporters.

In the same age group, the mortality due to Influenza Like Illness (ILI) was 17.4 per cent, whereas it is 11.1 per cent among people aged above 60 .

He said 25 per cent of symptomatic patients aged above 60 die due to the virus, while it was 10.7 per cent in the 40-60 age group.

The fatalities among those aged 60 is high even if they are asymptomatic, Mr Moudgil, who is secretary in the Department of Personnel and Administrative Reforms, said.

He said the average number of days spent at these hospitals by those who recovered is about 15 days, compared to 3.5 days for those who died of the virus.

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"Hence persons who are elderly and who have comorbidities or who have SARI must reach designated Covid hospitals at the earliest," Mr Moudgil said.

As of date, Karnataka has reported 69 COVID-19 deaths As many as 6,041 people have tested positive for COVID-19, including 2,862 discharges and 3,108 active cases.