1. The sky from earth
By: Angel ,Joseph, Jose, Analia , Lilia
2. Stars
Stars appear as a tiny little but as a scientist a star is a giant ball of hot gas
mainly composed of hydrogen and helium
3. Constellation
A constellation is a group of stars that people imagined to represent a figure, animal,
or object.
The oldest description of the constellations as we know them comes from a poem,
called Phaenomena, written about 270 B.C. by the Greek poet Aratus. However, it is
clear from the poem that the constellations mentioned originated long before Aratus'
time. No one is sure exactly where, when, or by whom they were invented.
Seasonal change causes a constellation to appear east during December. These
seasonal changes are caused by earth’s orbit around the sun.
4. How to use a star chart
Step 1: choose a star that fits your location and season .
Step 2:hold the chart upright in front of you .
Step 3:hold the chart at eye level. Compare the figures on the bottom half of the chart to the
sky in front of you.
5. Meteors and Comets
Have you seen a shooting star? These sudden bright streaks
are called Meteors. A meteor is the streak of light produce
when a small object burns up entering the atmosphere . But
!Comets are rarer, a comet is a cold mixture of dust and ice
that gives up a long trail of light as it approaches the sun.
6. My Planet Diary
Do you wonder why the stars seem to move or why the moon
shines ? Aryabahata was early Indian astronomer who
thought about these questions Aryabahata realized stars
appear to move from east to west because the earth rotates
from west east. Just by using his eyes!
