Planets
Neptune's largest moon, known for its unusual retrograde orbit, which suggests it was captured from the Kuiper Belt.
What is Triton?
A sextant is a device used to measure the sun and stars. You can measure latitude at night using a _____ to find the altitude of Polaris (the North Star), which is equal to your latitude in the Northern Hemisphere.
What is a protractor?
This asterism seen here is one of the most recognizable due to the three stars in the center of this constellation.
What is Orion's belt?
The name of our galaxy.
What is the Milky Way Galaxy?
The type of moon that this is. This phase is where the moon is more than half illuminated but not yet full, growing larger each night.
What is a waxing gibbous?
It takes sunlight approximately 5.5 hours to travel from the sun to this planet, I mean dwarf planet.
What is Pluto?
This star is used to help with navigation as it doesn't move. Part of the Big Dipper points to it.
What is the north star or Polaris?
The name on the explosive death of a star.
What is a Supernova?
The type of galaxy that the Milky Way Galaxy is and is why we see it as a hazy band of light across the night sky.
What is a barred spiral galaxy?
This is a physical theory that describes how the universe expanded from an initial state of high density and temperature.
What is the Big Bang Theory?
Definition established by the International Astronomical Union: A celestial body that orbits a star, is massive enough to be rounded by its own gravity, and has cleared the neighborhood around its orbit of other objects.
What is a planet?
The rings of this planet are made up of particles of mostly water ice and some rock. It is about 75,000 miles across and only 0.5 mile deep.
What is Saturn?
The four points of light in these images created by this telescope are diffraction spikes, which are artifacts caused by the telescope's four-strut support structure for its secondary mirror. The points are not part of the star itself but are an optical effect caused by the telescope's design.
What is the Hubble telescope?
This body of stars is Ursa Major's spectacular Pinwheel Galaxy can be seen with the naked eye. The light time travel to get here is 10,000 years.
What is Messier 101?
There are basically 3 attraction forces in the universe. Gravity, magnetism, and ____ _____.
What is nuclear attraction?
This planet is the second planet from the Sun, known as "Earth's twin" due to its similar size and density. It is the brightest planet in the night sky and is named after the Roman goddess of love and beauty.
What is Venus?
Saturn's largest moon and the only moon in our solar system with a dense atmosphere, which is thicker than Earth's.
What is Titon?
This telescope has found massive, fully-formed galaxies in the early universe is the most powerful telescope ever built and uses two main radio frequencies for communication.
What is the James Webb Space Telescope (JWST)?
What is newer?
As gravity increases this substance (not to be confused with a bodily function) also increases as it starts forcing matter together to make stars.
What is gas?
This moon of Jupiter has icy valleys made of primarily rock and ice. Evidence suggests there may be a liquid water ocean deep beneath its icy crust, although the possibility of life is less likely than on Europa due to less tidal heating.
What is Callisto?
This planet gets its blue-green color from methane gas in the atmosphere. Sunlight passes through the atmosphere and is reflected back out by it's cloud tops. Methane gas absorbs the red portion of the light, resulting in a blue-green color.
What is Uranus?
The big dipper, a star pattern or asterism, is part of this larger constellation.
What is Ursa Major?
The Milky Way Galaxy is estimated to have over 200 _______ stars.
What is billion?
This field around Earth, called the magnetosphere, protects us by deflecting most of the harmful solar wind and cosmic radiation. This shield diverts charged particles like protons and electrons, preventing them from reaching the surface and damaging the atmosphere and living organisms.
What is an electromagnetic field?