Name the Gujarati Author and Journalist who passed away recently at the age of 84 years.

On 22nd December 2018, Dr. Jiko Luveni, the first female speaker of Fiji's Parliament, died in office at the age of 72. Luveni first served for eight years as minister for women, social welfare and poverty alleviation in the interim government of Prime Minister Voreqe Bainimarama, who seized power in a 2006 coup.

Veteran actor-writer Kader Khan passed away in Canada at the age of 81. Kader Khan made his acting debut in 1973 with Rajesh Khanna's "Daag" and has featured in over 300 films. He wrote dialogues for over 250 movies. Before becoming an actor he had written dialogues for Randhir Kapoor-Jaya Bachchan's "Jawani Diwani". As a screenwriter, Khan frequently collaborated with Manmohan Desai and Prakash Mehra.

Renowned Hindi poet Pradeep Choubey passed away of a cardiac arrest. Choubey (70) was the younger brother of celebrated humorist, satirist, and poet Shail Chaturvedi. Besides humour, he was famous for satirical comments on the system.

Cherkallam Abdullah (76), the senior Indian Union Muslim League (IUML) leader and former Kerala Minister, has passed away on July 27, 2018. He was a prominent leader of the Opposition Congress-led UDF in north Kerala. A 4-time MLA from Manjeswaram in Kasaragod district since 1987, Abdullah was the local self development minister in the A K Antony cabinet from 2001-2004.

Eminent Gandhian Natwar Thakkar passed away on 7th October 2018 due to his ill health. His efforts to spread Gandhian philosophy and peace had earned him the title 'Nagaland's Gandhi'. He was the founder of Nagaland Gandhi Ashram. He was honoured with the Padma Shri award. Mr.Thakkar had been chosen as a member of a committee constituted by Prime Minister Narendra Modi for the year-long celebration of Mahatma Gandhi's 150th birth anniversary across the country. He went Nagaland from Maharashtra in 1955 when the movement for secession from India under the legendary Naga leader A.Z. Angami was gaining momentum. His Gandhian mission was viewed as a front for espionage by New Delhi and he was often told, at gunpoint, to leave the Naga domain.

The 41st President of the US, George HW Bush has passed away on at the age of 94.

Former Prime Minister of Nepal Tulsi Giri has passed away in Kathmandu. He was 93. Giri was suffering from liver cancer for a long time. He twice served as the prime minister of Nepal first from 1962 to 1964 and again from 1975 to 1977.

A renowned Marathi writer, novelist and translator Kavita Mahajan, died following pneumonia in Pune, Maharashtra. She was 51 years old. She was born in Nanded, Maharashtra. Some of her popular novels are Brr, Bhinna, etc. She had won Sahitya Akademi translation award in 2011 and Shashikalatai Agashe Award for Children's Literature in 2013.

Popular ad filmmaker and theatre personality Alyque Padamsee passed away in Mumbai. 90-year-old Padamsee was reportedly in bad health and had been ailing for quite some time. Padamsee played the role of Muhammad Ali Jinnah in Richard Attenborough's Oscar winner Gandhi. A veteran in the theatre and advertising world, Padamsee was known as the brains behind several iconic Indian ad campaigns including Lalitaji for Surf, the Liril girl under the waterfall, Hamara Bajaj and the MRF muscle man.

An international research team including Dr. Surhud More and Dr. Anupreeta More from Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune has ruled out the possibility of primordial black holes being a major constituent of dark matter using Subaru telescope. This finding disproves a theoretical claim of Prof Stephen Hawking. In the solar system, Mercury, the planet closest to the Sun, takes just 88 days to make one revolution around the sun, while Neptune, the farthest one, takes 165 years to make one round. In like manner, laws of gravity expect us to see stars closer to the centre of galaxies rotating faster than the stars on the edge.