Ch. 1
What is the closest planet to the sun?
Mercury
What is a rover and what are they used for?
They are a probe that can travel to another planet. They are used for collecting data on the planet to learn more about the planet.
The Earth __________________ around the sun.
revolves
Halley attended ______________ University.
Oxford
Stars progress through a life ____________
cycle
What is the oval-shaped path that planets take around the sun?
Orbit
What galaxy is our solar system a part of?
Milky Way
What is Earth's axis?
The imaginary line through the center of Earth that is a fixed point of reference.
The Black ______________ killed 25% of London's population.
Name at least one ice giant.
Neptune or Uranus
What is a satellite?
A natural or human-made object that orbits another object.
The Earth ______________ on its axis.
rotates
The 1666 Great ___________ of London destroyed thousands of homes.
Fire
What is a star?
space object that gives off its own heat and light.
What is the giant continuous storm on Jupiter called?
Great Red Spot
What is the universe?
All of the existing matter and energy in space
True or False: One rotation = one month
Edmund Halley travelled to the ______________ hemisphere to map out the stars.
Southern
What is a light-year?
The distance that light travels in one Earth year
What is a solar system?
a system of objects in space that includes at least one star, planets, and their moons.
What is a galaxy?
A collection of stars and their solar systems, dust, and gas
True or False: One revolution = one year
True
Halley found out that Flamsteed's calculations of _______________ and _______________ were incorrect.
Jupiter and Saturn
UY Scuti is the ___________________ star in the universe.
largest