Artemis I.

Artemis I Successfully Launched

ශ්‍රී ලංකා ග්‍රහලෝකාගාරය
இலங்கை கோளரங்கம்.
Sri Lanka Planetarium.

(+94)11 2586499

December 2, 2022

Artemis I Successfully Launched to the Moon

NASA successfully launched the lunar-orbiting mission rocket Artemis 1 to the Moon on November 16, 2022. Artemis I is an uncrewed mission flight currently underway. Its Orion spacecraft will re-enter the Earth orbit and will splash down in the Pacific Ocean after a 26- to 42-day research mission. This mission will be followed by a crewed lunar flyby by the Artemis 2 mission, and a crewed lunar landing by the Artemis 3 mission.

Through future Artemis missions, NASA will also land the first woman and non-white person on the moon. Artemis missions are also expected to be used to establish a permanent settlement on the Moon and send astronauts to Mars in the future.

Image credit: NASA/Artemis1
Image credit: NASA/Artemis1
Image credit: NASA/Artemis1
Science Day

National Science Day Celebration

ශ්‍රී ලංකා ග්‍රහලෝකාගාරය
இலங்கை கோளரங்கம்.
Sri Lanka Planetarium.

(+94)11 2586499

December 2, 2022

National Science Day Celebration - Sri Lanka Planetarium

Sri Lanka Planetarium has organized the following programs to celebrate National Science Day on 10 November 2022.

              1. Planetarium shows
              2. Inter-School Astronomy Quiz (Astro Quiz 2022)
              3. Sunspot observation
              4. Water rocket display
              5. Technopark experience
              6. Science video display

This year, the special feature of our science day will be the inter-school Astro Quiz 2022 organized by the Planetarium for the first time. All the schools of Colombo district are participating in this tournament.

The first round of this three-round tournament is expected to be held online and it is intended to award a digital certificate to all participating students. Out of which 10 schools will be selected for the semi-final round and two of them are expected to be selected for the final round. The semi-final and final rounds are intended to be held in the planetarium and a printed certificate will be awarded to all participating students.

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Perseids meteor shower

ශ්‍රී ලංකා ග්‍රහලෝකාගාරය
இலங்கை கோளரங்கம்.
Sri Lanka Planetarium.

(+94)11 2586499

December 2, 2022

Perseids meteor shower

The Perseids meteor shower is the one of the best meteor showers to observe will be active from 17 July to 24 August, producing up to 100 meteors per hour at its peak activity at around 01:00 a.m. (+05.30GMT) on 13 August 2022.

Perseids best displays might be seen on 13 August above your north east horizon in the constellation of Perseus.

This celestial event is visible to the naked eye.
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Lyrid meteor shower

ශ්‍රී ලංකා ග්‍රහලෝකාගාරය
இலங்கை கோளரங்கம்.
Sri Lanka Planetarium.

(+94)11 2586499

December 2, 2022

Lyrid meteor shower

The Lyrid meteor shower will be active from 16 April to 25 April, producing up to 20 meteors per hour at its peak activity at around 00:00 a.m. (+05.30GMT) on 23 April 2022.

Lyrids best displays might be seen before dawn on 23 April and after the radiant rises on 22 April above your eastern horizon in the constellation of Hercules.

This celestial event is visible to the naked eye.
Ingenuity

NASA’s Ingenuity Mars Helicopter

ශ්‍රී ලංකා ග්‍රහලෝකාගාරය
இலங்கை கோளரங்கம்.
Sri Lanka Planetarium.

(+94)11 2586499

December 2, 2022

NASA’s Ingenuity Mars Helicopter

On 19th Monday 2021, NASA’s Ingenuity flew on Mars becoming the first-ever aircraft to attempt and succeed in a powered, controlled flight on another planet. Ingenuity is a helicopter developed by NASA’s JPL Caltech, as proof of the concept of powered flight on extra-terrestrial worlds, thus it did not carry any science equipment.

Most of this helicopter is built with off-the-shelf parts that are readily available. It consists of a Li-ion battery pack that stores energy produced by the solar panels on board the helicopter. Among several motors, the motor that drives the propellers is a brushed DC motor and there are powers two propellers. The propellers are specially designed for the Martian environment. The propellers have a large wingspan (1.2 m) and a steeper angle of attack (unlike the quad-copters propellers we see here on Earth) considering the low air pressure at the Martian surface. The propellers are made with carbon fiber to reduce weight and increase strength. The two propellers rotate in opposite directions to counter the rotational torque produce by each other.

On 19th at 07:34 (GMT) Ingenuity became airborne, and it stayed in the air for 39.1 seconds, with 30-second stable hovering 3 meters above the Martian surface. Although Ingenuity can be controlled from Perseverance rover, this first flight was an autonomous test flight and all the steps were carried out by the onboard computer.

Image credit: NASA/JPL-Caltech