Astronomy Questions

ID	Question	Correct Answer	Choice 1	Choice 2	Choice 3	Difficulty	Knowledge Category	Topic Focus
521	What planet is closest to the Sun?	Mercury	Venus	Earth	Mars	0	Astronomy	Planets
522	Which planet has the most moons?	Jupiter	Saturn	Mars	Uranus	1	Astronomy	Planets
523	What is the hottest planet in our solar system?	Venus	Mercury	Mars	Jupiter	2	Astronomy	Planets
524	What planet is known for having a Great Red Spot?	Jupiter	Saturn	Mars	Neptune	3	Astronomy	Planets
525	What is the name of Earth's moon?	Moon	Europa	Titan	Ganymede	0	Astronomy	Moons
526	Which moon has a thick atmosphere?	Titan	Europa	Ganymede	Io	1	Astronomy	Moons
527	Which moon orbits Jupiter?	Europa	Titan	Enceladus	Charon	2	Astronomy	Moons
528	What is the largest moon in the solar system?	Ganymede	Titan	Io	Callisto	3	Astronomy	Moons
529	What galaxy is Earth part of?	Milky Way	Andromeda	Whirlpool	Sombrero	0	Astronomy	Galaxies
530	What is the closest galaxy to the Milky Way?	Andromeda	Triangulum	Pinwheel	Cartwheel	1	Astronomy	Galaxies
531	Which galaxy is known for its unique ring shape?	Cartwheel	Whirlpool	Andromeda	Milky Way	2	Astronomy	Galaxies
532	What type of galaxy is the Milky Way?	Spiral	Elliptical	Irregular	Lenticular	3	Astronomy	Galaxies
533	What is a star's explosion called?	Supernova	Pulsar	Nova	Quasar	0	Astronomy	Stellar Events
534	What is the end stage of a massive star?	Black Hole	White Dwarf	Red Giant	Neutron Star	1	Astronomy	Stellar Events
535	What is the bright flash at the end of a star's life?	Supernova	Hypernova	Gamma Burst	Solar Flare	2	Astronomy	Stellar Events
536	What is the name of a rapidly rotating neutron star?	Pulsar	Quasar	Magnetar	Nova	3	Astronomy	Stellar Events
537	Which planet is known as the Red Planet?	Mars	Venus	Jupiter	Saturn	0	Astronomy	Planets
538	What is the largest planet in our solar system?	Jupiter	Saturn	Neptune	Uranus	0	Astronomy	Planets
539	Which planet has rings?	Saturn	Mars	Venus	Mercury	0	Astronomy	Planets
540	What is the third planet from the Sun?	Earth	Mars	Venus	Mercury	0	Astronomy	Planets
541	Which planet rotates backwards?	Venus	Mars	Jupiter	Saturn	1	Astronomy	Planets
542	What planet is known for its blue color?	Neptune	Uranus	Earth	Mars	1	Astronomy	Planets
543	Which planet has the strongest magnetic field?	Jupiter	Earth	Saturn	Neptune	2	Astronomy	Planets
544	What planet has the highest density?	Earth	Jupiter	Mercury	Venus	3	Astronomy	Planets
545	Which moon has subsurface oceans?	Europa	Phobos	Deimos	Luna	1	Astronomy	Moons
546	What moon orbits Saturn?	Titan	Io	Europa	Triton	1	Astronomy	Moons
547	Which moon has active volcanoes?	Io	Europa	Titan	Phobos	2	Astronomy	Moons
548	What moon has nitrogen geysers?	Triton	Titan	Europa	Ganymede	3	Astronomy	Moons
549	What's the largest known galaxy?	IC 1101	Milky Way	Andromeda	M87	2	Astronomy	Galaxies
550	What are dwarf galaxies?	Small galaxies	Dead galaxies	New galaxies	Binary galaxies	1	Astronomy	Galaxies
551	What is a galactic collision?	Galaxy merger	Star explosion	Black hole formation	Nova event	2	Astronomy	Galaxies
552	What is a quasar?	Active galactic nucleus	Dead star	New galaxy	Cosmic ray	3	Astronomy	Galaxies
553	What is the closest star to Earth?	Sun	Proxima Centauri	Alpha Centauri	Sirius	0	Astronomy	Stars
554	What color is the hottest star?	Blue	Red	Yellow	White	1	Astronomy	Stars
555	What is a binary star system?	Two orbiting stars	Double planet	Twin galaxies	Dual moons	1	Astronomy	Stars
556	What is the Sun's spectral type?	G2V	O5V	B3V	K0V	2	Astronomy	Stars
557	What is a white dwarf?	Dead star core	New star	Gas giant	Brown dwarf	1	Astronomy	Stellar Evolution
558	What is stellar nucleosynthesis?	Element creation	Star death	Galaxy formation	Planet birth	2	Astronomy	Stellar Evolution
559	What is the Chandrasekhar limit?	1.4 solar masses	2.0 solar masses	1.0 solar masses	3.0 solar masses	3	Astronomy	Stellar Evolution
560	What is pair-instability supernova?	Very massive star death	Binary star explosion	Neutron star collision	Black hole merger	3	Astronomy	Stellar Evolution
561	What is dark matter?	Invisible mass	Black holes	Dark energy	Cosmic dust	1	Astronomy	Cosmology
562	What is the cosmic microwave background?	Early universe radiation	Galaxy radiation	Star light	Solar wind	2	Astronomy	Cosmology
563	What is the Hubble constant?	Universe expansion rate	Star formation rate	Galaxy rotation	Cosmic inflation	2	Astronomy	Cosmology
564	What is cosmic inflation?	Early universe expansion	Galaxy growth	Star formation	Planet formation	3	Astronomy	Cosmology
565	What causes a solar eclipse?	Moon blocks Sun	Earth blocks Sun	Clouds block Sun	Planet blocks Sun	0	Astronomy	Phenomena
566	What is a meteor shower?	Many shooting stars	Rain storm	Solar flares	Aurora	0	Astronomy	Phenomena
567	What causes seasons?	Earth's tilt	Distance from Sun	Solar activity	Moon phases	1	Astronomy	Phenomena
568	What is gravitational lensing?	Light bending	Star death	Galaxy collision	Black hole formation	2	Astronomy	Phenomena
569	What is an astronomical unit?	Earth-Sun distance	Light year	Parsec	Galaxy radius	1	Astronomy	Measurements
570	What is a light year?	Distance light travels in a year	Star brightness	Galaxy size	Universe age	1	Astronomy	Measurements
571	What is parallax?	Star distance method	Galaxy rotation	Planet orbit	Star brightness	2	Astronomy	Measurements
572	What is redshift?	Light wavelength increase	Star color	Galaxy spin	Cosmic rays	2	Astronomy	Measurements
573	What is a gamma-ray burst?	Intense radiation burst	Solar flare	Star birth	Galaxy collision	2	Astronomy	Space Phenomena
574	What is a magnetar?	Magnetic neutron star	Black hole type	Galaxy core	Star cluster	3	Astronomy	Space Phenomena
575	What is Hawking radiation?	Black hole emission	Star light	Galaxy rays	Cosmic background	3	Astronomy	Space Phenomena
576	What is frame dragging?	Spacetime distortion	Planet rotation	Star movement	Galaxy spin	3	Astronomy	Space Phenomena
577	What type of telescope uses mirrors?	Reflector	Refractor	Radio	X-ray	0	Astronomy	Instrumentation
578	What is interferometry?	Combining telescopes	Light filtering	Star tracking	Planet finding	2	Astronomy	Instrumentation
579	What is adaptive optics?	Atmosphere correction	Light collection	Wave detection	Signal processing	2	Astronomy	Instrumentation
580	What is a coronagraph?	Star light blocker	Planet finder	Galaxy imager	Nebula detector	3	Astronomy	Instrumentation
581	What causes solar wind?	Sun's atmosphere	Earth's magnetic field	Cosmic rays	Stellar radiation	1	Astronomy	Solar Physics
582	What is the solar corona?	Sun's outer atmosphere	Sun's core	Sun's surface	Sun's spots	1	Astronomy	Solar Physics
583	What is magnetic reconnection?	Field line breaking	Solar wind flow	Corona heating	Flare production	2	Astronomy	Solar Physics
584	What is helioseismology?	Sun vibration study	Solar wind analysis	Corona heating	Flare prediction	3	Astronomy	Solar Physics
585	What is the Oort Cloud?	Comet repository	Asteroid belt	Dust cloud	Gas cloud	2	Astronomy	Solar System
586	What are Trojan asteroids?	Orbital companions	Main belt objects	Meteor sources	Comet fragments	2	Astronomy	Solar System