Tribute to Raymundo Punongbayan

One of the renowned and brilliant scientist and personality in the Philippines is the late Philippine Institute of Volcanology and Seismology (PHIVOLCS) director Dr. Raymundo S. Punongbayan.

The PHIVOLCS director from 1983 through 2002, Punongbayan’s surname is a household name in the Philippines especially when disasters such as earthquakes, volcanic eruption and even typhoons and flash flood strikes and pummels the country.

Punongbayan, is a product of the country’s premier school in college, which is the University of the Philippines. His hardwork and diligence helped him earn a doctorate degree in Geology in the University of Colorado in 1972 while a Rockfeller grantee.
He successfully predicted the volcanic eruption of Mount Pinatubo that help saved thousands f residents around the radius of the volcano.

Punongbayan, was commended in the International stage as an authority in volcanological and seismological phenomena. In addition, his contribution in the various fields of volcanology, seismology, and disaster management and training and development are truly invaluable.

One of the most important things he does for his country was spearheading his team to dig a five (5) meter deep drainage channel at the side of Mt. Pinatubo that reduced one fourth of the lava emitted from the raging volcano and helped saved the lives of around 40,000 people.

Related link: Mayon Volcano Attract Tourists

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Activity in Physics, Gravity, STI Dagupan

Read the directions properly. Please come up with original answers, own words or rephrased or rewritten answers (if you made research). No copied content please. Original and quality answers will tend to get higher scores and rating, otherwise your answer will be deleted and you will have a base score of 70.
Here is your third critical thinking activity in Physics has something to do with gravity.

Procedure
1. You need four books with the same sizes and shapes.
2. Hold one book in one of your hands and three books on the other. At the same time and height drop the books from your hands. Observe well what transpires with your activity.
3. Group yourself by twos and answer the question below.
4. Due date of your answers is Thursday next week.

Questions
1. Which do you think will fall on the ground first, the solo book or the three books. Relate your answers with gravity? Post your answer as comments here.

Many More Moons Discovered in the Solar System

With the rapid advancement of technology in a span of six years more moons are discovered in the Solar System, stated by the science magazine of the National Autonomous University of Mexico.

The number of known or discovered moons in the Solar System has grown two times. In 2003 there are 136 moons circling the seven planets with only Venus and Mercury having no known moons or the so-called satellites.

Here is the number of moons of the five of the seven planets in the Solar System:

Moons

Jupiter has 61 moons or satellites,

Saturn has 31 moons or satellites,

Uranus 27 moons or satellites,

Neptune 13 moons or satellites,

Mars 2 moons or satellites,

Earth 1 moon or satellite

Note: Although Pluto has one moon; this very cold planet is no longer one of the planets in the Solar System since it is now considered as a Dwarf Planet.