James Gall
James Gall made many things. He made maps of the world. He also looked at the stars. He wanted maps to help blind people. He was a very busy man. Do you like looking at maps?
Early Reader · Change the reading level on the articleSpace articles — Page 14
Read about planets, stars, galaxies and the people and tools used to explore space. Choose an article below; its reading controls let you move between the available levels.
1,134 public articles · Page 14 of 24
James Irwin
James Irwin was a brave pilot. He flew a ship to the Moon. He was one of the first people to walk there. He saw many amazing things. Do you want to go to space too?
Early Reader · Change the reading level on the articleJames Webb Space Telescope
A big eye looks at space. It is a giant telescope. It sees far away stars. It helps us learn about the sky. This tool is very special. Do you like looking at stars?
Early Reader · Change the reading level on the articleJane Luu
Jane Luu looks at the stars. She found new things in space. These are far past the planets. They help us learn about our world. She is a great scientist. Do you like to look at stars?
Early Reader · Change the reading level on the articleJan Oort
Jan Oort was a star man. He looked at the sky. He found out how our stars move. He also found more space for comets. This helps us learn about the stars. Do you like to look at the sky?
Early Reader · Change the reading level on the articleJansky
Stars send out waves. We use a special name to measure them. This name is a jansky. It helps us see space. It tells us how bright things are. Do you like looking at the stars?
Early Reader · Change the reading level on the articleJeans instability
Big clouds of dust float in space. Gravity pulls the dust together. This pull can make a star. The dust must be cold and heavy. Then it will fall in. Do you like looking at stars?
Early Reader · Change the reading level on the articleJerry L. Ross
Jerry Ross went to space. He flew in a big ship. He went up many times. He even walked outside in space! He was a brave man. Do you want to go to space too?
Early Reader · Change the reading level on the articleJim Lovell
Jim Lovell was a brave pilot. He flew ships into space. He even flew near the Moon. He helped his team stay safe. This work was very big. Do you like to look at the stars?
Early Reader · Change the reading level on the articleJim Peebles
Jim Peebles studies the stars. He looks at how the world began. He found out many things about space. His work helps us learn about the sky. He won a very big prize. Do you like to look at the stars?
Early Reader · Change the reading level on the articleJocelyn Bell Burnell
Jocelyn is a great scientist. She looks at the stars. She found a new thing in space. It sends out a tiny beat. This helps us learn about the sky. Do you like to look at stars?
Early Reader · Change the reading level on the articleJodrell Bank Observatory
Big dishes look at space. They listen to stars. They can find things in the sky. This helps us learn about space. It is a very cool place. Do you like stars?
Early Reader · Change the reading level on the articleJohannes Hevelius
Johannes was a man who loved the stars. He looked at the moon. He drew maps of the moon. He even found new stars. He made many star maps for us. Do you like to look at the night sky?
Early Reader · Change the reading level on the articleJohann Gottfried Galle
A man named Galle looked at the sky. He used a big tool to see far. He found a new planet. It was called Neptune. This helps us know more about space. Do you like to look at stars?
Early Reader · Change the reading level on the articleJohn C. Mather
John Mather looks at the stars. He is a space scientist. He found out how the world began. This helps us learn about space. He won a very big prize. Do you like to look at the stars?
Early Reader · Change the reading level on the articleJohn Flamsteed
John Flamsteed loved the stars. He looked at the night sky. He wrote down where stars were. This helped people sail ships. He was a great star man. Do you like to look at stars?
Early Reader · Change the reading level on the articleJohn Herschel
John was a man who loved stars. He looked at the sky with a big tool. He gave names to moons in space. He also helped make the first photos. His work helps us learn about the world. Do you like to look at the stars?
Early Reader · Change the reading level on the articleJohn Young (astronaut)
John Young was a brave man. He flew in many ships. He even walked on the Moon. He was a pilot too. He loved to fly high. Do you like to look at the stars?
Early Reader · Change the reading level on the articleJoseph Hooton Taylor Jr.
Joe Taylor looks at the stars. He uses big tools to see space. He found a new kind of star. This helps us learn how space works. It is very cool! Do you like the stars?
Early Reader · Change the reading level on the articleJudith Resnik
Judith was a smart woman. She worked for NASA. She flew a big ship into space. It was a very big job. She helped us learn about the stars. Do you like space?
Early Reader · Change the reading level on the articleJupiter mass
Jupiter is a very big planet. It is the biggest in our space. It is much bigger than all other planets. We use its size to measure other things. It is a giant! Do you like big things?
Early Reader · Change the reading level on the articleJupiter trojan
Some rocks fly near Jupiter. They stay in the same path. They are ahead or behind the planet. They are like friends in space. Can you find them?
Early Reader · Change the reading level on the articleK2-18b
A far world orbits a star. It might have a big ocean. It has air with water in it. This world could help us learn. Could life live there? What do you think?
Early Reader · Change the reading level on the articleKarl Guthe Jansky
Karl Jansky heard sounds from space. He used a big tool to listen. It heard a soft hiss. The hiss came from our stars. It was a big surprise! Can you imagine hearing the stars?
Early Reader · Change the reading level on the articleKarl Schwarzschild
Karl was a man who loved stars. He studied the sky. He found out how stars work. His work helps us learn about space. We name things after him today. Do you like to look at the stars?
Early Reader · Change the reading level on the articleKármán line
There is a line in the sky. It marks the edge of space. It is very high up. It helps us know where space starts. This helps us with rules for ships. Do you want to fly to space?
Early Reader · Change the reading level on the articleKatherine Johnson
Katherine Johnson loved math. She used math to help people fly to space. She helped rockets go to the Moon. Her work was very important. She was a hero to many. Do you like math too?
Early Reader · Change the reading level on the articleKepler-186f
There is a far away world. It is like our Earth. It stays near its warm star. This might help life grow there. We want to learn more. Can you find it in the stars?
Early Reader · Change the reading level on the articleKepler-22b
A far world is out there. It might be a big ocean. It is much larger than our Earth. This world might have water. Water helps things live. Could something live there?
Early Reader · Change the reading level on the articleKepler-442b
There is a far away world. It is a big, rocky place. It stays at a good warmth. This might let water stay on it. It is a very special place. Can you imagine living there?
Early Reader · Change the reading level on the articleKepler-452b
There is a far away world. It is like our Earth. It orbits a bright star. This world might have life. We do not know for sure. Do you think it is rocky?
Early Reader · Change the reading level on the articleKepler space telescope
A big tool flies in space. It looks for new worlds. It looks at many stars. This helps us find planets like Earth. It was a great helper. Do you like the stars?
Early Reader · Change the reading level on the articleKepler's Supernova
A long time ago, a star blew up. It was very bright in the sky. It was even bright during the day! People saw it from far away. It was a big surprise. Can you see the bright stars?
Early Reader · Change the reading level on the articleKilonova
Two small stars crash together. They make a big, bright light. This light can glow for weeks. It is a very big boom in space. It helps us learn about stars. Can you look at the night sky?
Early Reader · Change the reading level on the articleKonstantin Tsiolkovsky
A man named Konstantin loved space. He thought about big rockets. He wrote books about flying to stars. His ideas help us go to space today. He was a great thinker. Do you want to fly to the moon?
Early Reader · Change the reading level on the articleKreutz sungrazer
Some comets fly very close to the Sun. These are called sungrazers. They come from far away. Long ago, one big comet broke into many small pieces. These pieces fly near the Sun. They can be very bright. Can you see…
Early Reader · Change the reading level on the articleLacerta
Look up at the night sky. You can find a group of stars. It looks like a small lizard. It is a tiny shape in the sky. It is fun to find! Can you see the stars?
Early Reader · Change the reading level on the articleLagoon Nebula
A big cloud of gas sits in space. It is very far away. New stars grow inside the cloud. This helps make our sky bright. It is a beautiful sight to see. Can you look for it at night?
Early Reader · Change the reading level on the articleLaika
A dog named Laika went to space. She was in a small craft. She was the first dog to fly around the Earth. This helped people learn about space. Laika was a very brave dog. Do you like dogs?
Early Reader · Change the reading level on the articleLakes and rivers of Titan
Titan is a big moon. It has lakes and seas. These are not made of water. They are made of a special liquid. They are far away in space. Can you find them?
Early Reader · Change the reading level on the articleLambda-CDM model
The world is very big. It is growing every day. Space is full of things we cannot see. Most of it is hidden. It helps make the stars. We are part of it too. Can you imagine a big space?
Early Reader · Change the reading level on the articleLaniakea Supercluster
We live in a giant home in space. It is full of many star groups. These groups move toward a center. It is a very big place. It is called Laniakea. Can you look at the sky?
Early Reader · Change the reading level on the articleLarge Binocular Telescope
This is a giant tool for space. It has two big mirrors. It looks like two eyes. It helps us see far stars. It is very big and cool. Do you like to look at the stars?
Early Reader · Change the reading level on the articleLarge quasar group
Space has big groups of bright lights. These lights are very far away. They are in a huge group. This group helps us see how space works. It is a big thing to see. Do you like to look at stars?
Early Reader · Change the reading level on the articleLate Heavy Bombardment
Long ago, space was very busy. Big rocks hit the Moon. They hit the Earth, too. This made many big holes. It was a wild time! Can you imagine that? Space is very big and cool.
Early Reader · Change the reading level on the articleLBV 1806−20
A giant star shines far away. It is very big and bright. It is much bigger than our sun. It hides behind dust in space. We use special tools to see it. Do you like looking at the stars?
Early Reader · Change the reading level on the articleLeo (constellation)
Leo is a group of stars. It looks like a big lion. You can see it in the night sky. It has many bright stars. It is fun to find. Can you look for the lion?
Early Reader · Change the reading level on the articleLeo Minor
There is a small group of stars. It is called the little lion. It sits near a big lion. It is hard to see. You can look for it at night. Can you find it?
Early Reader · Change the reading level on the article