Answer:
1. The Milky Way is a huge collection of stars, dust and gas. It's called a spiral galaxy because if you could view it from the top or bottom, it would look like a spinning pinwheel. The Sun is located on one of the spiral arms, about 25,000 light-years away from the center of the galaxy.
2.Globular clusters are filled with old stars - some are even old cores of galaxies that were cannibalized by our Milky Way, whereas Open clusters are filled with young stars that were born in a nebula and have drifted apart, and. Where they are typically found.
3.Star clusters visible to the naked eye include the Pleiades, Hyades, and 47 Tucanae.
4.Most of the constellation names we know came from the ancient Middle Eastern, Greek, and Roman cultures. They identified clusters of stars as gods, goddesses, animals, and objects of their stories.
5.For northern observers, these are the three constellations whose brightest stars (Altair, Deneb and Vega) form the Summer Triangle – Aquila, Cygnus and Lyra – along with the southern zodiac constellations Sagittarius and Scorpius, and the large constellations Hercules in the northern and Ophiuchus in the southern sky.
6.parallax, in astronomy, the difference in direction of a celestial object as seen by an observer from two widely separated points. The measurement of parallax is used directly to find the distance of the body from Earth (geocentric parallax) and from the Sun (heliocentric parallax)
7.PAGASA is the Philippine national institution dedicated to provide flood and typhoon warnings, public weather forecasts and advisories, meteorological, astronomical, climatological, and other specialized information and services primarily for the protection of life and property and in support of economic, productivity .
