| Planet |
Mercury |
4878 |
91700000 |
88 |
The smallest planet and closest to the Sun. |
| Planet |
Venus |
12104 |
41400000 |
225 |
Earth's 'sister planet' with a thick toxic atmosphere. |
| Planet |
Earth |
12742 |
0 |
365 |
The only planet known to support life. |
| Planet |
Mars |
6779 |
225000000 |
687 |
The 'Red Planet' with the largest volcano and canyon. |
| Planet |
Jupiter |
139820 |
588000000 |
4333 |
The largest planet in our solar system, known for its Great Red Spot. |
| Planet |
Saturn |
116460 |
1200000000 |
10759 |
Known for its stunning rings made of ice and rock particles. |
| Planet |
Uranus |
50724 |
2570000000 |
30687 |
An ice giant with a unique sideways rotation. |
| Planet |
Neptune |
49244 |
4300000000 |
60200 |
The farthest planet from the Sun, known for its deep blue color. |
| Dwarf Planet |
Pluto |
2370 |
590637627 |
90500 |
Formerly considered the ninth planet, now classified as a dwarf planet. |
| Dwarf Planet |
Eris |
2326 |
9600000000 |
558 |
"The largest known dwarf planet in the Solar System." |
| Dwarf Planet |
Haumea |
1960 |
6000000000 |
283 |
An elongated shape and fast rotation distinguish it. |
| Dwarf Planet |
Makemake |
1420 |
6700000000 |
1117 |
Discovered in 2005, Makemake is one of the largest known dwarf planets. |
| Moon |
Moon |
3474 |
384400 |
27.3 |
Earth's only natural satellite. |
| Moon |
Phobos |
22.4 |
6000 |
0.3 |
Mars's larger moon, known for its rapid orbit. |
| Moon |
Deimos |
12.4 |
23000 |
1.3 |
The smaller moon of Mars, further from the planet. |
| Moon |
Io |
3642,417000" |
1.8 |
A moon of Jupiter, known for its volcanic activity. |
NaN |
| Moon |
Europa |
3121 |
628000 |
3.5 |
A moon of Jupiter, believed to have a subsurface ocean. |
| Moon |
Ganymede |
5262 |
1070000 |
7.2 |
The largest moon in the solar system, larger than Mercury. |
| Moon |
Callisto |
4821 |
1882000 |
16.7 |
A heavily cratered moon of Jupiter. |
| Moon |
Titan |
5150 |
1275000 |
15.9 |
Saturn's largest moon, known for its dense atmosphere. |
| Moon |
Rhea |
1528 |
527000 |
4.5 |
A moon of Saturn with wispy rings. |
| Moon |
Enceladus |
504,1280000" |
1.37,"Saturn's moon known for its water geysers. |
NaN |
NaN |
| Moon |
Triton |
2706,3547000 |
5.9,"Neptune's largest moon, geologically active with a retrograde orbit. |
NaN |
NaN |
| Exoplanet |
Proxima Centauri b |
1.17 |
4.24 light years |
11.2 |
An Earth-sized planet in the habitable zone of Proxima Centauri. |
| Exoplanet |
TRAPPIST-1e |
0.92 |
39.5 light years |
6.1 |
One of the seven Earth-sized planets around the star TRAPPIST-1. |
| Exoplanet |
Kepler-186f |
1.11 |
500 light years |
130 |
The first validated Earth-size planet to orbit a distant star. |
| Star |
Sun |
1392700 |
0 |
NaN |
The star at the center of our solar system. |
| Star |
Sirius |
1900 |
8.6 light years |
5.5 |
The brightest star in the night sky, part of the Canis Major constellation. |
| Star |
Proxima Centauri |
2000 |
4.24 light years |
11.2 |
The closest known star to the Sun. |
| Star |
Alpha Centauri A |
1200 |
4.37 light years |
0.9 |
Part of the Alpha Centauri star system, a close neighbor to the Sun. |
| Star |
Alpha Centauri B |
1100 |
4.37 light years |
0.9 |
A companion to Alpha Centauri A. |
| Star |
Betelgeuse |
950 |
640 light years |
330 |
A red supergiant star in the Orion constellation. |
| Star |
Rigel |
786 |
860 light years |
40 |
A blue supergiant star, also in Orion. |
| Star |
Vega |
2000 |
25 light years |
12.5 |
One of the brightest stars in the northern summer sky. |
| Star |
Polaris |
450 |
431 light years |
30 |
The North Star, located nearly directly above the North Pole. |
| Star |
Aldebaran |
650 |
65 light years |
11 |
The eye of the Taurus constellation, a red giant star. |
| Star |
Betelgeuse |
950 |
640 light years |
330 |
A prominent star in the constellation Orion. |
| Star |
Canopus |
710 |
313 light years |
10.4 |
The second brightest star in the sky. |
| Galaxy |
Milky Way |
100000 |
0 |
NaN |
The galaxy containing our solar system. |
| Galaxy |
Andromeda |
220000 |
2530000 |
NaN |
The nearest spiral galaxy to the Milky Way. |
| Galaxy |
Triangulum |
60000 |
3000000 |
NaN |
A member of the Local Group, known for its spiral structure. |
| Galaxy |
Whirlpool Galaxy (M51) |
100000 |
23000000 |
NaN |
A classic spiral galaxy located in the constellation Canes Venatici. |
| Galaxy |
Sombrero Galaxy (M104) |
50000 |
29000000 |
NaN |
A spiral galaxy with a bright nucleus and a prominent dust lane. |
| Galaxy |
Messier 87 |
120000 |
54000000 |
NaN |
A giant elliptical galaxy in the Virgo cluster, home to the supermassive black hole M87*. |
| Galaxy |
Messier 81 |
90000 |
12000000 |
NaN |
A spiral galaxy located in the constellation Ursa Major. |
| Galaxy |
Centaurus A |
50000 |
11000000 |
NaN |
A galaxy that is the closest active galaxy, known for its peculiar shape. |
| Galaxy |
Large Magellanic Cloud |
14000 |
163000 |
NaN |
A satellite galaxy of the Milky Way. |
| Galaxy |
Small Magellanic Cloud |
7000 |
200000 |
NaN |
A satellite galaxy of the Milky Way. |
| Galaxy |
IC 1101 |
600000 |
600 million |
NaN |
One of the largest known galaxies in the universe. |
| Star Cluster |
Pleiades |
440 |
440 light years |
NaN |
An open star cluster containing hot stars. |
| Star Cluster |
Hyades |
450 |
150 light years |
NaN |
The nearest open cluster of stars to Earth. |
| Star Cluster |
Globular Cluster M13 |
145 |
25000 light years |
NaN |
A well-known globular cluster in the constellation Hercules. |
| Star Cluster |
Omega Centauri |
150 |
15700 light years |
NaN |
The largest known globular cluster in the Milky Way. |
| Star Cluster |
NGC 188 |
140 |
6000 light years |
NaN |
The oldest known star cluster in the Milky Way. |
| Black Hole |
Sagittarius A* |
NaN |
0 |
NaN |
The supermassive black hole at the center of the Milky Way galaxy. |
| Black Hole |
M87* |
NaN |
53 million |
NaN |
The first black hole to be imaged, located in the center of the galaxy M87. |
| Asteroid |
Ceres |
940 |
414000000 |
1680 |
The largest object in the asteroid belt; classified as a dwarf planet. |
| Asteroid |
Vesta |
525 |
410000000 |
1325 |
One of the largest asteroids in the asteroid belt. |
| Asteroid |
Eros |
16.8 |
218000000 |
1.76 |
One of the first asteroids to be orbited and landed on by spacecraft. |
| Asteroid |
Pallas |
512 |
410000000 |
1683 |
The second-largest asteroid in the asteroid belt. |
| Asteroid |
Hygiea |
430 |
430000000 |
1682 |
The fourth-largest asteroid in the asteroid belt. |
| Comet |
Halley's Comet |
15.2 |
15000000000 |
76 |
The most famous comet, visible from Earth every 76 years. |
| Comet |
Comet Hale-Bopp |
40 |
600000000 |
2500 |
One of the brightest comets visible in the 20th century. |
| Comet |
Comet NEOWISE |
5 |
10700000 |
6800 |
A comet discovered in 2020 that became very bright. |
| Comet |
Comet Lovejoy |
2.5 |
30000000 |
1100 |
A comet that became visible in 2011. |
| Comet |
Comet 67P/Churyumov-Gerasimenko |
4.5 |
50000000 |
6.5 |
The comet visited by the Rosetta spacecraft. |
| Star System |
Alpha Centauri |
2.5 |
4.37 light years |
NaN |
The closest star system to Earth, consisting of three stars. |
| Star System |
Sirius System |
1.2 |
8.6 light years |
NaN |
A binary star system consisting of Sirius A and B. |
| Star System |
Beta Centauri |
11.9 |
390 light years |
NaN |
A binary star system in the constellation Centaurus. |
| Star System |
Epsilon Eridani |
4.2 |
10.5 light years |
NaN |
A nearby star system with an orbiting planet. |
| Star System |
Gliese 581 |
1.2 |
20.3 light years |
NaN |
A red dwarf star system with potential habitable planets. |
| Star |
Alpheratz |
169 |
97 light years |
NaN |
The brightest star in the constellation Pegasus. |
| Star |
Fomalhaut |
200 |
25 light years |
NaN |
A bright star in the constellation Piscis Austrinus, known for its protoplanetary disk. |
| Star |
Antares |
883 |
550 light years |
NaN |
A red supergiant star in the constellation Scorpius. |
| Star |
Altair |
174 |
16.7 light years |
NaN |
A bright star in the constellation Aquila. |
| Star |
Atria |
127 |
45 light years |
NaN |
A bright star in the constellation Norma. |
| Celestial Event |
Solar Eclipse |
NaN |
NaN |
An event when the Moon passes between Earth and the Sun. |
NaN |
| Celestial Event |
Lunar Eclipse |
NaN |
NaN |
An event when the Earth passes between the Sun and the Moon. |
NaN |
| Celestial Event |
Meteor Shower |
NaN |
NaN |
An event when numerous meteors are observed radiating from one point in the sky. |
NaN |
| Celestial Event |
Equinox |
NaN |
NaN |
The time when day and night are of approximately equal length. |
NaN |
| Celestial Event |
Solstice |
NaN |
NaN |
The time when the Sun reaches its highest or lowest point at noon. |
NaN |
| Satellite |
Hubble Space Telescope |
NaN |
547000 |
NaN |
A space telescope that has provided high-resolution images of space. |
| Satellite |
International Space Station |
109 |
408000 |
NaN |
A habitable artificial satellite in low Earth orbit. |
| Satellite |
James Webb Space Telescope |
NaN |
1500000 |
NaN |
A large space telescope that observes infrared radiation. |
| Satellite |
Chandra X-ray Observatory |
NaN |
139000 |
NaN |
A space telescope that observes X-ray emitting sources. |
| Satellite |
Kepler Space Telescope |
NaN |
147000000 |
NaN |
A spacecraft designed to discover Earth-like planets outside our solar system. |
| Quasar |
3C 273 |
NaN |
2.5 billion |
NaN |
The first quasar to be identified, and one of the brightest objects in the universe. |
| Quasar |
3C 48 |
NaN |
1.5 billion |
NaN |
The first quasar ever discovered, located in the constellation Pegasi. |
| Quasar |
4C 41.17 |
NaN |
2.6 billion |
NaN |
A luminous quasar known for its strong radio emissions. |
| Quasar |
PG 1642+690 |
NaN |
1.9 billion |
NaN |
A bright quasar in the constellation Ursa Major. |
| Quasar |
SDSS J1004+4112 |
NaN |
1.9 billion |
NaN |
A quasar at high redshift, important for cosmological studies. |