Star Beginnings
What is the name of the giant cloud of gas and dust where stars are born?
Stellar Nebula
What galaxy do we live in?
What is the term for a star that expands, cools & glows red?
Red Giant
What is the discovery that galaxies are moving away from us called?
Red shift
What is the explosion of a massive star when it runs out of energy called?
Supernova
What force holds gas and dust together to begin forming a star?
Gravity
What force holds galaxies together?
Gravity
What is another name for a dead star?
Black dwarf
What telescope was launched in 1990 and still orbits Earth today?
Hubble Telescope
What is the final stage for a massive star if it doesn't become a black hole?
Neutron Star
What TWO elements are involved in nuclear fusion?
Hydrogen & Helium
What is the most important star in our Solar System?
The Sun
TRUE or FALSE: Large stars have the longest lifespan.
FALSE: The largest stars have the shortest lifespan
What discovery in the 1960s provided strong evidence of the Big Bang?
Cosmic Microwave Background Radiation (CMBR)
What is left after a small star sheds its outer layers?
White Dwarf
TRUE or FALSE: All stars begin their lifecycle in the same way.
TRUE: All stars are born from Stellar Nebulas
What do we call a group of billions of stars bound together by gravity?
A galaxy
What color are the hottest stars in the universe?
Blue
How long ago did the Big Bang happen?
About 13.6 billion years ago
What is the colorful cloud of gas shed by a dying star?
Planetary Nebula
What percent of stars in the universe are Main Sequence Stars?
90%
What is the name of the nearest galaxy to the Milky Way?
The Andromeda Galaxy
What is the core of a massive star that collapses and has no surface?
A black hole
How long have humans been around?
About 200,000 years
Which is more dense; a black hole or a neutron star?
A neutron star