Sun is a 4.5 billion-year-old average-sized yellow dwarf star
Sun is a hot, glowing ball of hydrogen and helium.
Stars are celestial objects that can produce their own light.
Stars are extremely hot and extremely large.
The word constellation is from the Latin word "con" means Group, and "stella" means stars.
A largestar shines brighter than a smallstar.
APPARENT BRIGHTNESS Is the brightness you see from earth.
a hot large star that is very far from earth does not look very bright is an example of Apparentbrightness
ABSOLUTE BRIGTNESS Is the brightness the star would have if all stars were the same distance from earth.
Blue, White, Yellow, Red is the arrangement of brightest to dimmest stars
Blue, White, Yellow,Red is the arrangement of hottest to coldest stars
URSA MINOR is the circumpolar constellation.
Orion is the seasonal constellation.
CIRCUMPOLAR can be seen in the night sky throughout the year.
Seasonal is visible only at certain times of the year.
Rotationoftheearthonitsaxis causes the apparent nightly movement of the stars across the sky.
revolution is responsible for the fact that we can see parts of the sky at different times of the year.
ROTATION refers to an object's spinning motion about its own axis.
Earthrotatesonitsaxis, producing a 24-hour day.
REVOLUTION refers to an object's orbital motion around another object.
EarthrevolvesaroundtheSun, producing a 365 days, 6 hours, 9 minutes per year.
Taurus is visible during winter in the northern hemisphere and summer in the southern hemisphere.
Taurus is a seasonal constellation because it is only visible during a specific season.
The Southern Cross is visible all year in the SouthernHemisphere but never in the NorthernHemisphere.
The Southern Cross is a circumpolar constellation because it is visiblethroughouttheyear.
As part of the temperatezone, the northern and southern hemispheres experience four (4) seasonal changes: Winter, Autumn, Summer, and Spring.
Early pilipino’s before used constellations as a sign of timeforharvesting, navigation, andweatherandseasonal changes.
But now, we use Modern Calendar to know if it’s time for harvesting, Maps or Compass for navigation and Rainfall Gauses for weather and seasonal changes.