What’s Up with Titan’s Spin?

Contributed by: Huang Yunle
It was long believed that with Saturn’s strong gravitational pull on Titan (Saturn’s moon), its spin axis will be exactly perpendicular to its orbital plane and that it rotates “synchronously, completing exactly one rotation every time it goes around Saturn”. Nevertheless, what observed is different from expected. Read this article to find out the differences between the “predicted” and “realities”, and also what may result in the differences.air max sneaker

 

10th Society Meeting

Hi all,
I hope all of us learned something new from last meeting’s presentations by the Research subcommittee.
This week, we are having a very special guest, Dr Phil Chan , to give us a talk about Cosmology.
The details of the meeting are as follow:
Venue: S16-0430
Date : 28 March 2008
Time : 6.15pm
Highlights:
* Guest Lecture by Dr Phil Chan
* Stargazing (depends on weather)

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NASA Satellite Detects Naked-Eye Explosion Halfway Across Universe

Gamma-Ray Bursts (GRBs) are thought to occur when a star runs out of fuel, and explodes.
On 19 March 2008, 2 days ago, NASA recorded a GRB that was 2.5 million times more luminous than the most luminous supernova ever recorded, making it the most intrinsically bright object ever observed by humans in the universe!
Measurements estimate this supernova happened about 7.5 billion years ago, which means it happened even before the solar system was born, and when the universe was less than half the age it is now.

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9th Society Meeting

Hi all,
This week, we are going to have a few of our fellow members from the Research SubCommittee to present some of their ideas in astronomy. Previously, this week’s meeting is supposed to be held at NUS High School Observatory. Unfortunately, there was a technical glitch with their telescope. Hence we are changing the venue of the meeting to S16-0430 (the usual venue) and we would still be having a stargazing session if the skies are good. So do come down and show the Research SubCommittee your support !air max 90
The details of the meeting are as follow:
Venue: S16-0430
Date : 14 March 2008
Time : 7 pm
Highlights:
* Presentations from the Research Subcommittee
* Stargazing (depends on weather)
Do remember to bring your membership cards to get them stamped. For those of you who have friends who wants to join our society, please remind them to bring $20 for the membership fee. If some of you can’t find the venue, you can call me at 81278581. We hope to see all of you there. Thank you.new balance outlet

 

Memories of a New Moon

Contributed by: Huang Yunle
Does the Moon have any memory? Is it purely coincidence that new moon this month falls on the 7th, same as that 38 years ago? Read this article to find out more about the Metonic cycle and what happen during the new moon on 7th of March 1970(38 years ago) — a total eclipse of the sun — and what is so special about it.

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