Another name for Pluto
What is a Dwarf Planet?
Name an Astronaut
Neil Armstrong, Buzz Aldrin, Sally Ride, John Glenn, Mae Jemison, Scott Kelly, Helen Sharman
A large cloud of gas and dust
What is a nebula?
The Milky Way is this kind of galaxy
What is spiral?
This consists of the sun, the planets, their moons, and other smaller objects
What is the solar system?
The four inner planets
What is Earth, Mars, Venus, and Mercury?
Instruments that collect and focus light and other forms of electromagnetic radiation
What is a telescope?
How is a stars mass is related to its life span
What is the more mass a star has - the shorter it's lifespan?
A star system that has two stars
What is binary
A planet farther from the sun will have a longer gravitational orbit, which means what for its year
What is longer?
How long it takes for Earth to complete one full orbit around the Sun
What is 365 days?
All objects in space emit, or give off, this form of energy
What is Electromagnetic Radiation?
The Sun will never go supernova because
What is only high mass stars go supernova and our Sun is a medium mass star?
Matter that does not give off electromagnetic radiation, but exerts a gravitational force
What is dark matter?
This color indicates the hottest star
What is blue?
A round celestial body that orbits a star and has cleared out the region of the solar system along its orbit
The year the Apollo 11 landed on the moon
What is 1969?
The chemical reaction needed to create a star
What is hydrogen atoms fusing to form helium atoms?
An active, young galaxy with a black hole at its center
What is Quasar?
The brightness a star would have if it were at a standard distance from Earth
What is absolute brightness?
A natural satellite
What is the Moon?
What is the visible light spectrum?
Explain a white dwarf's life cycle
What is a nebula, protostar, star, red giant, planetary nebula, white dwarf?
Describe parallax
What is the apparent motion of an object against distant background stars?
On the sun - dark areas of plasma that are cooler than the plasma around them are called what?
What is sun spots?