History of Space
This is the farthest probe from Earth.
What is Voyager 1?
The fifth planet from the Sun.
The closest galaxy to the Milky Way, which is on a collision course with us.
What is Andromeda?
The closest star to the Sun.
What is Proxima Centauri?
This formerly largest radio telescope located in Puerto Rico unfortunately collapsed in 2020 due to failures in its support cablings
The year Pluto was demoted to a dwarf planet
What is 2006?
The largest dwarf planet in the Solar System.
What is Pluto?
The most common galaxy shape.
What is a spiral galaxy?
The largest star in the Orion Constellation.
What is Betelgeuse?
What is SETI?
The first American to orbit the Earth.
Who is John Glenn?
The gas responsible for the blue color of Uranus.
What is methane?
This region of the Laniakea Supercluster is notable for an increased gravitational pull, which causes a deviation in the expected expansion of galaxies.
What is the Great Attractor?
This period of a star's lifetime is where it spends most of its life.
What is the main sequence?
In 1967 Jocelyn Bell Burnell discovered the first of these highly magnetized stars
What are Pulsars?
The person who established that the rings of Saturn were actually rings.
Who is Christiaan Huygens?
Out of the Galilean moons, this one is the closest to Jupiter.
The scientist who discovered galaxy disks had flat rotation curves, showing the presence of dark matter.
Who is Vera Rubin?
O B A F G K M. For bragging rights: (L T Y)
This element is responsible for a 21-centimeter wavelength emission line, or 1420 MHz
What is Hydrogen?
When was 1543?
The spin-orbit resonance, in the form of a ratio, that Mercury has with the Sun.
What is 3:2?
This galaxy is famous for having two disks rotating in opposite directions, resulting in a distinct feature it is named for.
What is the Black Eye Galaxy? (NGC 4826)
The region on a Hertzsprung-Russell Diagram where pre-main-sequence stars move towards the main sequence.
What is the Hyashi Track?
Discovered in 1939 while investigating phone line interference, this galaxy is one of the strongest radio sources in our sky
What is Cygnus A?