Draw yourself with your finger, write a wish, and your drawing launches from Earth to orbit a planet. It keeps orbiting even after you close the tab, and it grows every time you log your progress. No install needed; it runs right in your phone browser.
Launch my star 🚀Every place comes with a short, simple fact a child can read, like "Saturn is lighter than water, so it would float in a giant bathtub". It is an easy way to get to know the planets and constellations.
Yes, everything is free right now.
Just pick a nickname and password. No email or phone number.
No. It keeps orbiting and will be right there when you come back.
Korean, English and Japanese.
No. It works in any phone or computer browser, and you can add it to your home screen.
Planets, stars, galaxies and space events you can meet in Wish Star.
About 1.3 million Earths could fit inside the Sun. Its light takes about 8 minutes 20 seconds to reach us.
Closest to the Sun, so a year is just 88 days. Days reach 430°C and nights drop to -180°C.
The hottest planet. Thick clouds trap the heat, so the ground is about 460°C.
The only planet known to have life. About 70% of its surface is ocean.
The Moon drifts about 3.8 cm farther from Earth every year. People first walked on it in 1969.
Home to Olympus Mons, about 2.5 times taller than Everest. Rusty iron in its soil makes it red.
The biggest planet. Over 1,300 Earths could fit inside, and its Great Red Spot is a storm wider than Earth.
Lighter than water, it would float in a giant bathtub. Its rings are made of ice and rock.
It spins lying on its side, so each pole gets 42 years of daylight in a row.
The windiest planet, over 2,000 km/h. One trip around the Sun takes 165 years.
A star very much like our Sun. It looks like the third-brightest star in the night sky.
It circles Alpha Centauri A about once every 80 years. A bit smaller than the Sun, and orange.
The closest star after the Sun (4.24 light-years). Today's spacecraft would still need tens of thousands of years.
It orbits where liquid water could exist. A year there lasts only 11 days.
The fastest-moving star across our sky. A very old little red star.
A small planet hugging Barnard's Star. Four planets were confirmed in 2024-2025.
A small planet hugging Barnard's Star. Four planets were confirmed in 2024-2025.
A small planet hugging Barnard's Star. Four planets were confirmed in 2024-2025.
A small planet hugging Barnard's Star. Four planets were confirmed in 2024-2025.
The brightest star in the night sky. Find it below and to the left of Orion on winter nights.
A white dwarf the size of Earth but as heavy as the Sun. One teaspoon of it weighs tons.
Sun-like, and one of the first stars searched for alien signals. Close enough to see by eye.
A super-Earth candidate orbiting Tau Ceti, several times heavier than Earth.
A super-Earth candidate orbiting Tau Ceti, several times heavier than Earth.
A super-Earth candidate orbiting Tau Ceti, several times heavier than Earth.
A super-Earth candidate orbiting Tau Ceti, several times heavier than Earth.
In about 12,000 years it will be our North Star. It is the weaver girl star of the Qixi legend.
A tiny star with seven Earth-sized planets. The star itself is only a bit bigger than Jupiter.
TRAPPIST-1 planets are so close that neighbors look huge in the sky. All seven fit inside Mercury's orbit.
TRAPPIST-1 planets are so close that neighbors look huge in the sky. All seven fit inside Mercury's orbit.
TRAPPIST-1 planets are so close that neighbors look huge in the sky. All seven fit inside Mercury's orbit.
One of the best bets for liquid water, and almost the same size as Earth.
TRAPPIST-1 planets are so close that neighbors look huge in the sky. All seven fit inside Mercury's orbit.
TRAPPIST-1 planets are so close that neighbors look huge in the sky. All seven fit inside Mercury's orbit.
TRAPPIST-1 planets are so close that neighbors look huge in the sky. All seven fit inside Mercury's orbit.
A red supergiant that will go supernova someday. In the Sun's place it would reach almost to Jupiter.
A black hole about 4 million times heavier than the Sun. It was first photographed in 2022.
A star that circles the black hole every 16 years. It helped prove the black hole is there (2020 Nobel Prize).
A small galaxy circling Andromeda. Our Milky Way has little companions like this too.
A small galaxy circling Andromeda. Our Milky Way has little companions like this too.
Launched in 1977, it is the farthest human-made object. It still sends signals home.
So dim you need a telescope. A little red star about a tenth of the Sun's mass.
A little red star you need a telescope to see. The brightest red dwarf in the northern sky.
A young star with rings of dust. Our Sun probably looked like this when it was young.
The brightest star in Canis Minor and one corner of the Winter Triangle.
In 1838 it became the first star whose distance was measured. It is really two stars circling each other.
The cowherd star of the Qixi legend. It spins so fast it is a bit squashed.
Surrounded by a huge dust ring. It shines alone in the autumn sky, so it is called the lonely star of autumn.
A big orange star of spring nights. Follow the handle of the Big Dipper to find it.
Looks like one star but is really four. It glows yellow overhead on winter nights.
The red eye of Taurus the Bull, a giant about 44 times wider than the Sun.
Called the heart of Leo. It spins so fast it is squashed like an egg.
The brightest, blue star of Virgo. It is really two stars circling very close together.
The second-brightest star in the night sky. In Korea it only peeks above the southern horizon, and was called the Old Man Star.
It barely moves, so people used it to find north. It is not that bright, only around 50th in brightness.
Also called the Seven Sisters. You see 6 or 7 by eye, but over a thousand stars live there.
A red star hundreds of times wider than the Sun. Its name means rival of Mars.
The brightest, blue star of Orion, over 100,000 times brighter than the Sun.
A nursery where baby stars are being born. You can faintly see it by eye in Orion's sword.
Home of Kepler-452b, nicknamed Earth's cousin.
Part of the Summer Triangle. It is so powerful it looks bright even from very far away.
The cloud left by a supernova seen in 1054. Records say it was bright enough to see in daylight.
A small neighbor galaxy circling the Milky Way. It looks like a patch of cloud in southern skies.
A galaxy you can see by eye from the Southern Hemisphere, made famous by Magellan's voyage.
The third-largest galaxy in our Local Group. From very dark places you can just see it by eye.
Over a thousand galaxies live here. The black hole in its galaxy M87 was the first ever photographed (2019)
Shaped like a wide-brimmed hat, with a black hole a billion times heavier than the Sun at its center.
A galaxy with beautiful swirling arms, holding hands with a small companion galaxy.
A region pulling our galaxy and thousands of others toward it, hidden behind our own Milky Way.
In 1933 the first hints of invisible dark matter were found here. Over a thousand galaxies live there.
A wall of galaxies stretching over a billion light-years, found in 2003.
The first quasar ever found. One black hole outshines its whole galaxy
A gigantic far-away galaxy cluster nicknamed "the Fat One"
Found by the James Webb telescope. We see it as it was about 300 million years after the Big Bang
The Moon covers the Sun. From one place it happens only once every few hundred years on average
The Moon slips into Earth's shadow and turns red from sunlight bent through our air
A heavy star exploding at the end of its life. Elements in our bodies came from ancient supernovae
A ball of ice and dust. Near the Sun it melts and grows a long tail
Bits left by comets burn up in Earth's air and glow