Moon Current Affairs - 2019

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20 new moons of Saturn discovered

On 8th October 2019, 20 new moons of Saturn were discovered. With this Saturn has a total of 82 moons today. It is the highest of any planet in solar system. Till date Jupiter had the highest number of moons. It has 79 moons.

The moons of Saturn discovered are relatively smaller moons. The discovery was made at the Subaru telescope set up atop Hawaii’s Mauna Kea volcano.

Of 82 moons, 17 of them orbit in opposite direction. These moons take more than three years to complete their orbit. The moons were discovered by a team of astronomers led by Sheppard.

The newly discovered moons belong to Norse group. The Saturn’s Norse group of moons are retrograde irregular satellites. There are unique and different from other moons of the solar system. Their inclinations are between 136 degrees and 175 degrees. These moons are clusters formed from different parent body that Saturn captured. This might have happened during the early days of Solar System according to the astronomers who discovered the moons. The other moons belong to Gallic group. They are prograde moons that take less than 2 years to complete their orbit. Also they orbit in the same direction as that of Saturn.

World Space Week: 4-10 October: Important Facts

World Space Week is the largest space event on the Earth. More than 80 countries are participating commemorating the week this year

Theme: The Moon: Gateway to the stars

The World Space Week was launched on October 4, 1957. The date was selected to mark the launch of first human – made earth satellite, Sputnik 1

Significance

The theme celebrates the 50th anniversary of human kind’s first step on moon on 20 July, 1969. The theme sparks consideration of value of the Moon in human’s future space endeavors.

The World Space Week is the largest space annual event. It inspires students and educates public about space activity. Also, it fosters international cooperation in space outreach and education. During the celebration of the event public are encouraged towards greater use of space for sustainable economic development.

History

The World Space Week Association began to coordinate World Space Week from 1980. In 1981, Space Week headquarters was formed in the US to organize national wide celebration in US.

From 1999, the UN serves as the global coordinator of World Space Week.

About Sputnik

Sputnik was the first human made satellite that was launched into the space in 1957. It was launched by Soviet Union. The satellite orbited elliptically in the lower orbits of the earth. The batteries died after three weeks and the satellite fell back into the atmosphere. This triggered the space race between USSR and USA that was a part of the cold war.