ASTRONOMY

Stars and Galaxies

1

This star appears brightest in Earth’s night sky.

Sirius

2

These are patterns of stars forming recognizable shapes in the sky.

constellations

3

This is the galaxy where our solar system is located.

Milky Way

4

This bright constellation, shaped like a hunter, is clearly visible in Philippine skies during December to March.

orion

5

This stage occurs when a massive star collapses and forms an extremely dense object.

black hole

Our Solar System

1

This is the star at the center of our solar system.

Sun

2

This planet is known as the Red Planet.

Mars

3

These small rocky bodies are mostly found between Mars and Jupiter.

asteroids

4

This is the largest planet in the solar system.

Jupiter

5

These icy bodies come from the outer solar system and sometimes create visible tails near the Sun.

comets

Motions in the Sky

1

This causes the cycle of day and night on Earth.

rotation

2

This is the time it takes the Moon to orbit Earth.

28 days

3

These occur when the Moon blocks sunlight from reaching Earth.

solar eclipses

4

This event occurs twice a year when the Sun crosses the equator, marking equal day and night.

equinox

5

This motion of Earth is responsible for the changing seasons.

revolution

General Astronomy Knowledge

1

This tool is used to observe distant objects in space.

telescope

2

He proposed that the planets revolve around the Sun, not Earth.

Nicolaus Copernicus

3

This device orbits Earth and collects data about space and weather.

satellite

4

This famous space telescope has provided deep images of the universe since 1990.

Hubble Space Telescope

5

This space agency launched the first Philippine-made microsatellite, Diwata-1, in 2016.

Philippine Space Agency

Space Discoveries and Mysteries

1

This Philippine volcano observatory sometimes uses satellite data to study ash plumes interacting with the atmosphere.

PHIVOLCS

2

These planets orbit stars outside our solar system.

exoplanets

3

This theory explains the origin of the universe.

Big Bang Theory

4

This invisible substance makes up most of the universe’s mass.

dark matter

5

This astronomical phenomenon occurs when the Moon appears reddish due to Earth’s shadow.

Blood Moon or total lunar eclipse