This moon phase occurs when the Sun, Moon, and Earth align, with the Moon between the Earth and Sun
What is a new moon?
A ball of frozen gases, dust and rock that orbits the sun and has a bluish tail that glows
What is a comet?
Launched in 1990, this large space telescope and camera is still in earth's orbit today
What is the Hubble Telescope?
Similar in size to Earth, hottest planet, with a toxic atmosphere
What is Venus
Approximately 98% of the atomic matter in the Universe consists of these two elements
What is Hydrogen and Helium
This is the central, darker part of the shadow where light is totally blocked
What is the umbra?
The inner terrestrial planets and the outer gas giants are separated by this
What is the asteroid belt?
A vehicle that carries scientific instruments to planets or other bodies in space
What is a space probe?
The four planets that are considered the “gassy giants”
What are Jupiter, Saturn, Uranus, and Neptune?
When our Earth formed, approximately
What is 4.5 billion years ago?
The phase where the illuminated portion begins to decrease after the Full Moon
A bright streak of light caused when a meteoroid enters the Earth's atmosphere and burns up
What is a meteor?
Isaac Newton added these to telescopes
What are mirrors?
This planet has a thin atmosphere and two moons
What is Mars?
The theory that a cosmic explosion sent matter floating in all directions
What is the Big Bang?
The Moon's orbit is slightly this compared to Earth's orbit
What is tilted?
Short-period comet visible from Earth every 74-79 years
What is Halley's comet?
The term for the bending and distorting of light
What is refraction?
Unique for its sideways rotation and smaller rings
What is Uranus?
The process where gravity pulls together gases and matter to form stars and planets such as Earth.
What is accretion?
The phase where more than half of the Moon is illuminated, leading up to the Full Moon
What is waxing gibbous?
A spherical region that surrounds the solar system, that extends from the Kuiper Belt to almost halfway to the nearest star, and that contains billions of comets
What is Oort Cloud?
This tool allows scientists to analyze the chemical makeup of distant materials
What are Spectroscopes?
Planets that are small, dense, and rocky: Mercury, Venus, Earth and Mars
What are terrestial planets?
The solar system formed from this, a large cloud of gas and dust in space