Astronomers
Comets and Meteors
Constellations
Terms
Random Stuff
100

In 1543 Niclaus Copernicus posited what?

That the sun was at the center of our solar system and we orbited it

100

Comets can produce this type of shower when debris enters the atmosphere

Meteor shower

100

Are the constellations the same everywhere on Earth?

No, constellations change. the Southern and Northern hemispheres have different constellations. Some like Orion are only seen part of the year due to the Earths tilt

100

This term describes the line on a planet where day becomes night

Terminator Line

100

creating propulsion by knocking electrons off of propellant, generally xenon, this engine is known as?

Ion Engine (The twin ion engine is what propels the spacecraft of the Empire in Star Wars. Ion Engines are real though)

200

Who came up with the scientific theory of Geocentrism?

Ptolemy

200

Halleys Comet produces what two meteor showers?

Eta Aquarids and Orionids

200

how many Dipper Constellations are there?

2. the Big Dipper and the Little Dipper

200

This is described as the point of a black hole where nothing, not even light can escape

Event Horizon

200

What Philip is going to school to study, this field is the broad application of science and engineering to aerospace operations

astronautical engineering

300

Planets orbiting in ellipses instead of perfect circles was an idea by this 16th century Mathemitician

Johannes Kepler

300

meteor showers are named after what?

Their point of origin in relation to the constellations (Such as the Orionids coming from the constellation Orion)

300

Looking like a 2 year olds W this constellation is made up of 5 stars

Cassiopeia

300

What is the velocity 299,792,458 Metres per Second known as? 300,000 KM/S or 186,000 Ml/s

The speed of light about Mach 874030

300

This is when a planets magnetic field flips

Geomagnetic Reversal

400

In 1801 this man discovered Ceres, the smallest dwarf planet in the solar system

Giuseppe Piazzi

400

this meteor shower is usually active in November

Leonids

400

Latin for fish this constellation is also one of the zodiac signs

Pisces

400

when a star explodes its known as going...?

Supernova

400

The Fermi Paradox is the hypothetical answer the what question?

Why we have not met aliens yet

500

Who discovered the dwarf planet Eris?

A team out of the Palomar Observatory led by Mike Brown in 2005

500

What is the biggest and largest comet?

Comet Hyakutake has the longest tail (500 million KM from the nucleus and Comet Hale-Bopp has the largest nucleus of any comet)

500

Named after a ythological Greek hero this constellation is found in the Northern Sky and is made up of 19 stars

Perseus

500

making up around 80 percent of the known universe this substance cannot be seen or observed

Dark Matter

500

How many countries have been to the moon

There are several answers. 1 country has landed humans on the moon, 3 have sent probes to the moon, US, Russia, and China, and 5 have sent probes to orbit the moon