Posts

The Concept of Time

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Today in the Club, I learnt about the different units of time astronomers used. Here are a few examples:

Solar Time 
- It is dependent on the location of the sun in the sky
- Types:
    - Apparent solar time: The apparent sun is the true sun as seen by an observer on Earth
    - Mean Solar Time: Hour angle of the mean Sun plus 12 hours

Sidereal Time
- Used by astronomers to locate celestial objects.
- Sidereal day is approximately 23 hours, 56 minutes and 4.0509 seconds

Julian Time:
- The continuous count of days since the beginning of the Julian Period
- A Julian Period is a chronological interval of 7980 years.

Time Zone:
- Different places on Earth that have different times

Universal Time:
Universal Time is a time standard based on Earth's rotation. It is a modern continuation of Greenwich Mean Time and is based on observing celestial bodies crossing the meridian every day. Astronomers found that it was more accurate to establish time by observing stars as they crossed a meridian rather than …

Reflection on The Dish movie

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Today, my Club and I watched the phenomenal movie called The Dish. It is a inspiring tale about a real group of eccentric scientists who were responsible for manning a satellite dish. This tale a message of hardships and obstacles one will face in life and to overcome them.

        In the story, one of the problems the colorful cast of members face was a blackout caused by a careless worker that caused the station to lose all of its data and loses communication with Apollo 11. This shows that one should not be irresponsible lest unfortunate things happen.

        The movie utilized many astronomical principles such as calculating the travel path of the Apollo 11 and the orbit of the moon. This application of astronomy fascinates me to no end.

       Finally, I would like to say that I have enjoyed this movie. The characters feel very alive, their research were on point and I was able to learn more about the less well-know but equally important roles in the Apollo 11 mission.

Fox-Hunt Testing

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Today, our club teacher, Mr Tan Hoe Teck, appointed Xu Cheng and Ethan as the new chairperson and vice-chairperson respectively. Although I was disappointed that I wasn't picked, I still felt happy for my good friends that did their best for the club.

Next, the Sec 3s have to prepare for a game that will be hosted two weeks later with the Scouts, so we did our best to refine the places where we hid the transmitters.

This is where my group hid it:


I was extremely confident in the hiding spot that I have chosen. Thus imagine my surprise when our transmitter was the only one that was found. I did not know how to feel about this. On one hand I was happy that it was found as it proved that my spot ideal but on the flip side I was disappointed that my hiding spot was the only one discovered.

All in all, today was a really fruitful day as we managed to test out some new hiding spots that were ideal

Batam Day 3

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Today, we watched a documentary called Mysteries of the Universe. Specifically, episodes called "Planet from Hell" and "Birth of the Earth". The documentraries were extremely knowledgeable and was able to provide a lot of information for our young minds to absorb.

Afterwards, tried to organise a Sun-Observation activity but unfortunately there was a light drizzling and we were unable to continue.

Finally, we had our last Fox-Hunting session. My friends and I volunteered as Hunters and we set out to hunt for the hidden transmitters. Unfortunately, none of the hunters were able to find any of the transmitters and came back empty handed.

Batam Day 2

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Today, we had a short theory lesson on RadioJove and what spectrums of light different cosmic bodies. Afterwards, we headed to the rooms of one of our group mates and had a demonstration on how to obtain readings on solar flares. I found the lectures to be very informative and I was able to absorb a lot of information from it.
This was the reading we got:


After our lunch, we were given a chance to watch the movie "Martian", which was about an astronaut trapped on Mars and the methods he used to survive.

Next was the Fox-Hunting activity. Today was our turn to be the Hunters and we were seperated into 3 teams. Unfortunately, our team only managed to find one transmitter.
This is a panorama of our group:


Finally at night we were given another lecture, this time on how telescopes worked and how lenses bend light. We also did imaging as our final activity for the night before retiring into our rooms.

All in all, I find the day to be packed full of fun and rewarding activities and I…

Batam Day 1

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Today was the day where we travelled to Batam. We took a ferry at Harbourfront and arrived at Harris Resort at about 1.30 pm. After having our lunch, we were made to be the Game Masters for the Fox Hunting activity. 

I was extremely excited about being the Game Masters as it means I would get to hide the transmitters instead of trying to find them. I was made to be the mobile transmitter, the only person to that is carrying the transmitter as I was the fastest runner in my group, This role gave me a chance to admire the scenery of the resort as I take a walk through it. The picturesque view was breathtaking. 
Along the way, we encountered a problem. We did not look at the serial number for the transmitters and hence did not know which transmitters were missing. Fortunately, we correctly guessed which transmitter was missing and was able to find it before dinner. 

After dinner, we held a stargazing activity. Due to not having any tall buildings and bright lights around, we were able to v…

Lecture on the Solar System

Today, we were given a lecture on the Solar System by the Secondary 2s. It was a very informative lecture and I was able to understand and absorb all of the knowledge imparted onto me.

I was elated when I got 3rd place in the quiz as it shows that I had fully absorbed the trivia.