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2nd April 2025
Today I learnt more about the earth and facts about space. Two facts for example are firstly, the earth is tilted at 23.5 degrees. Secondly, although mars is in the habitable zone of the sun, its thin atmosphere requires it to be closer to the sun to have a chance of supporting life on it. I also used a website called Stellarium Web which I used to look at stars and even saw what would have been a solar eclipse if I had a different perspective.
9 April 2025
Today, we started off with a Blooket quiz to revise what we learnt in the previous lesson. We were then told to create a presentation in 45 minutes about what we learnt from the last lesson before presenting it. Sadly, My group went first because I got last in Blooket. Today's lesson was still fun though. I hope we can play Blooket again in future lessons.
16 April 2025
Today we learnt about Kepler's three laws and that he is german. We also learnt about eccentricity and how it can only be bigger than 0 to smaller than 1. Next, we learnt that if the universe was not expanding, there eould be no more new stars and life would just die. We played a blooket at the end of the lesson.
23 April 2025
Today we learnt about radiation, spectra, rays and more. Following this, we learned why people learned astronomy (for navigation and calendars). Lastly, we played Booklet to revise what we learnt.
The Questions:
If I could travel back in time and join an ancient civilisation, I would convince my leader to use astronomy for decision making by showing them how we could predict seasons (if in a place where there are seasons), weather changes and more just by studying astronomy
Radiation can penetrate items blocking our view like dust and clouds, allowing us to see the surface of outer space objects more easily
30 April 2025
Today we learnt about telescopes. For example, the primary type of telescope used is a reflector telescope. We then learnt how to assemble the telescopes. We learnt what to do and what not to do, for example, two people are needed to mount the telescope on the mount, we should not kick the stand for the telescope, and we should detach the telescope before folding the stand. We then did an activity where we used binoculars to look at faraway pieces of tape with questions, which we then answered.
The Questions:
Most telescopes are reflector telescopes
Light of different wavelengths refracts differently
There are motorised telescopes which use electronic motors to track, for example, the moon
7 May 2025
Today, we started off by grouping together in groups of 4. Next, we did a presentation on a planet and why it is the best for NASA to invest money into colonising that planet. My group chose Proxima Centauri b.
Exit Pass Question:
I think Newton had a bigger influence in astronomy as he created the 3 laws of motion and the law of universal gravitation. Not only that, he invented the reflector telescope, one of the main types of telescopes used today
14 May 2025
Today we started off by grouping together in the same groups of 4. Next, we created a lunar base 3d model using thinkercad. we then presented it the the rest of the CCA. We somehow went first, again. We then played a blooket to test what we remember from what we learnt and I got 5th with 100% accuracy :).
Reflection Questions:
Some improvements I would add to my lunar are items like heaters, machines to convert water to oxygen and hydrogen for rocket fuel and to breathe.
I would add different power plants to make electricity
21 May 2025
Today we had a summary of what we learnt. We then had a Kahoot to test our knowledge and how much we remember from the CCA sessions.
Exit Question:
I think that a space base on mercury will have to be built under the ground due to the close proximity of mercury to the sun. This will allow them avoid the extreme heat in the morning. This will also provide some thermal insulation during the night.
2 July 2025
Today we started off with a talk by the 2 teams that went to the 11th Thailand Astronomical Conference. They shared their presentation before talking about their experience in Chiang Mai, Thailand. Then, we learnt about how to use the Kerbal Space Programme. Lastly, we played Blooket. I hope in the future, we can have hands-on activities.
9 July 2025
Today we learnt about the sun. I learnt that the sun is comprised of many layers, including the Corona, the Chromosphere, the Photosphere, etc. After that, we also learnt many facts about the sun. For example, the Photosphere is the reason the sun looks light, it has a solid surface, and Infrared is the main way heat is transferred. Following that, we learnt about nuclear fission and fusion
Reflection Questions:
I think the neutron star anatomy would be the same as a normal star's anatomy, except with a few changes.
I think the anatomy of a red and white dwarf would have some of the layers of a normal star absent
23 July 2025
Today, instead of having lesson or lecture, we had a super hands on activity! It was called duck hunting. We were split into 5 groups and were given 2 radio singnal receivers. We then have to find a hidden radio signal transmitter transmitting a beeping signal. It was very fun although most of it was walking around and listening to static. We also only managed to find the transmitter in the very last round
Exit Pass:
I think fox hunting works by detecting the specific signal frequency transmitted by the transmitter using the receiver
I think the fox hunting technique can be used to listen to sounds coming from outer space. Not only that, it could also be used to detect and transmit signals (e.g. messages, lines of code) to like have a conversation in outer space
6 August 2025
Today, we had 2 lessons about math and a short presentation in between. The first lesson was about Pythagorean theorem and a bit of trigonometry where we learnt TAN. After that was a presentation on stars with things like Hertzsprung-Russell Diagram. After that was a lesson about COS and SIN.
Exit Pass:
I think the rules i learnt can be used in engineering and space stuff
Using Kepler's third law and Newton's law of gravity
13 August 2025
Today, we had another 2 lessons, this time with a game of Blooket in between. In the first lesson, we revised what we had learnt about the birth of a star. It starts from a nebula and ends with a star, of course. In the second lesson, we revised what we had learnt near the start of CCA about reading wavelengths. We also reinforced our understanding of the Doppler Effect. Finally, we learnt about the different colours of a star.
Exit Pass:
Yes, it can. I think it can be used to look at very small objects instead of large, faraway objects
20 August 2025
Today, we continued learning about stars, this time about their adolescence and death. After all the hydrogen in a star has been burned up, it will change, depending on its size. For example, stars nearer the size of the sun will turn into a red giant, then a white dwarf. If it is a bigger star, it will become a supergiant and after that a neutron star or a black hole. I liked how we played Blooket today at the end of the lesson.
27 August 2025
Today is the last day of CCA until after the EOY
Today, we started of the day with an hour of duck hunting. Sadly, we did not manage to find it though one time we were close, we just did not think to check there. After that, we did a wayground (quizizz) to recape on stars. We then went through a set of slides that told as about stars (what was in the quiz). lastly, we watched some videos on stars.
Exit ticket:
What surprised me the most was that the outer layer of the sun's atmosphere (corona) was hotter than the inner layer (photosphere) and until now scientists are still researching why
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