Stars & Galaxies

What is the name of the gas/dust clouds where all stars form?

• Nebulas
• Protostars 
• Supernova
• Neutron Star

The life cycles of stars are determined by their:

• mass (size)
• color
• distance from Earth
• luminosity

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

Tags

NGSS.HS-ESS1-1

After the main sequence, a low mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

After the main sequence, a high mass star becomes a

• black dwarf

• protostar

• red giant

• supergiant

The HR Diagram shows a relationship of a star's surface temperature and its

• color

• size

• brightness

• composition

Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?

• Betelguse
• Sirius B
• Procyon B
• Barnard's star

What small, hot, faint objects are found at B?

• neutron stars

• black holes

• white dwarfs

• brown dwarfs

What is the name of the explosion at the death of a massive star?

• Supergiant
• Supernova
• Black Hole
• Nebula

Most stars are made of which elements?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3