Size
How big is the Sun?
695.510 km
What color is the hottest star?
Blue
What is a star?
A star is a large celestial body composed of gas that emits light
What is absolute magnitude?
is the measure of how bright a star would be if the star were located at a standard distance
What is apparent magnitude?
is the measure of a star's brightness seen from the Earth
How big is Rigel?
54.89 million km
Which color is the coolest star?
Red
What gases is the Sun made of?
Helium and Hydrogen
How can absolute magnitude can be studied?
by calculating
How can apparent magnitude can be studied?
with a telescope or with naked eye
How many Earths can fit inside the Sun?
1.3 million Earths?
What color is the Sun?
yellow\orange
Which is the name of the center of the Sun?
the Core
Which is the absolute magnitude of Rigel?
-7.84
Which is the apparent magnitude of Rigel?
0.12
How big is Betelgeuse?
617.1 million km
What color is Rigel?
Blue
Which is the name of the surface of the sun?
the Chromosphere
which is the absolute magnitude of the Sun?
+4.8
which is the apparent magnitude of the Sun?
-26.8
Which is the biggest star in the universe?
VY Canis Majoris
What color is Antares?
Red
What is the corona?
The Sun’s corona is the outermost part of the Sun’s atmosphere. The corona is usually hidden by the bright light of the Sun's surface.
which is the absolute magnitude of Betelgeuse?
-5.6
which is the apparent magnitude of Betelgeuse?
+0.45