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 11 of 24
Some space clouds look fluffy. They are not in straight lines. They look patchy and soft. These shapes help us see the stars. It is fun to look up. Do you like fluffy things?
Early Reader · Change the reading level on the articleFomalhaut is a very bright star. It shines in the night sky. It looks like a fish mouth. This star is part of a group. It has a ring of dust around it. Can you find it at night?
Early Reader · Change the reading level on the articleFornax is a group of stars. It is in the dark sky. It looks like a big furnace. Some stars there have planets. It is a fun place to look. Can you find it?
Early Reader · Change the reading level on the articleA big group of stars lives far away. It is called the Fornax cluster. Many bright lights live there. It helps us learn about space. It is very far from us. Can you look at the stars tonight?
Early Reader · Change the reading level on the articleFrank Borman was a pilot. He flew planes in the sky. He even went to the Moon! He was a brave leader. It was a big job. Would you like to fly to the Moon?
Early Reader · Change the reading level on the articleFranklin was a brave man. He flew high in space. He went on many trips. He helps us learn about stars. He also builds fast rockets. We can learn from him. Do you want to go to space?
Early Reader · Change the reading level on the articleFred Haise was an astronaut. He flew a ship to the Moon. He was a pilot too. He flew fast jets in the sky. He helped us learn about space. Would you like to fly to the Moon?
Early Reader · Change the reading level on the articleFred Hoyle was a man who studied stars. He lived in England. He learned how stars make things like carbon. This helps us understand our world. He also wrote fun stories about space. Do you like to look at the stars?
Early Reader · Change the reading level on the articleFriedrich was a man who loved stars. He looked at the sky to learn. He found how far away stars are. This helps us know our place in space. He was a great thinker. Do you like to look at the stars too?
Early Reader · Change the reading level on the articleFritz Zwicky looked at the stars. He found many big stars. He saw how stars can pop and blow up. He also found things we cannot see. He was a great thinker. Do you like to look at the sky?
Early Reader · Change the reading level on the articleSpace tools can stay in one spot. They fly in a special path. This path helps them stay steady. It helps them see the Earth well. It is like a magic track. Do you like space?
Early Reader · Change the reading level on the articleThe full moon is very bright. It looks like a big circle. This happens when the Earth is in the middle. The sun shines on the moon. We can see it in the night sky. It is pretty to look at. Have you seen a full moon?
Early Reader · Change the reading level on the articleOur Earth will change a lot. The Sun will get much bigger. It will get very hot. This will make the oceans go away. The Earth will be very hot too. Soon, the Sun will swallow the Earth. Can you imagine a giant Sun?
Early Reader · Change the reading level on the articleGaia is a tool in space. It looks at the stars. It finds where they are. This helps us see our sky. It is a big job. Can you look at the stars too?
Early Reader · Change the reading level on the articleWe study our home in space. It is a huge group of stars. We look at how it works. This helps us know our place. It is a big, bright home. Do you like to look at stars?
Early Reader · Change the reading level on the articleA bulge is a group of stars. It sits in the middle of a galaxy. These stars are packed very close. They help make the galaxy look bright. It is a busy place! Can you find the center of a star group?
Early Reader · Change the reading level on the articleSpace is very big. We use a map for space. It helps us find stars. We start from our sun. This map shows where things are. It helps us see our home. Do you like looking at stars?
Early Reader · Change the reading level on the articleSome parts of space are good for life. These spots have the right stuff. They are not too crowded. They are also not too wild. This helps life grow and stay safe. Our home is in a good spot! Do you think life is out…
Early Reader · Change the reading level on the articleA galaxy has a big shape. It looks like a round ball. It goes far past the bright parts. It has old stars and gas. This part helps hold the galaxy. It is very big and wide. Can you see the stars?
Early Reader · Change the reading level on the articleOur home is in a big disk. Most stars sit on a flat path. This path is like a wide plate. It helps us see where we are. It is a very big place! Do you like to look at stars?
Early Reader · Change the reading level on the articleBig groups of stars pull on each other. This pull can stretch them out. It can even pull stars away. This makes long tails of stars. It is a big dance in space. Do you like to look at the stars?
Early Reader · Change the reading level on the articleMany galaxies stay together in a group. They hang out in big bunches. They use a special pull to stay close. This helps them stay in one place. It is like a big family in space. Can you look at the stars?
Early Reader · Change the reading level on the articleSpace has very big shapes. These shapes look like long threads. They are made of many star groups. They help make the whole sky. The universe is very huge! Can you imagine such a big thing?
Early Reader · Change the reading level on the articleMany galaxies live together in groups. They stay close in space. Our home is in a group too. It helps us see the stars. It is a big, pretty family. Can you look at the night sky?
Early Reader · Change the reading level on the articleBig groups of stars can meet. They crash into each other. This makes many new stars. It is a big, busy event. We can see them far away. Do you like looking at the stars?
Early Reader · Change the reading level on the articleStars spin around in big groups. These groups are called galaxies. The stars spin very fast. We cannot see what makes them spin. It is a big mystery! Do you like space?
Early Reader · Change the reading level on the articleA space tool looks at stars. It flies high above the Earth. It looks for new stars. This helps us learn about space. It is a big job. Do you like to look at the stars?
Early Reader · Change the reading level on the articleJupiter has four big moons. They go around the planet. A man named Galileo saw them long ago. He used a tool to see them. These moons are very large. They are fun to learn about. Do you like looking at the stars?
Early Reader · Change the reading level on the articleA robot went to space. It went to a big planet. The planet is Jupiter. It looked at moons too. This helps us learn about space. Do you like the stars?
Early Reader · Change the reading level on the articleThere is a bright star in the sky. It is part of a big group. This group has many stars. It looks like a big W. It glows with a blue light. It is very far away. Can you find it?
Early Reader · Change the reading level on the articleSpace has very strong light. It comes from big explosions. This light can be hard to see. We use tools in space to find it. It helps us learn about the stars. Do you like looking at the sky?
Early Reader · Change the reading level on the articleBig lights flash in space. They are very bright. They happen very fast. These lights come from far away. They are amazing to see. Do you like looking at the stars?
Early Reader · Change the reading level on the articleBig stars can go boom. They make bright light. This light is very strong. It can flash in space. It is a big show. Can you see the light? It is far away.
Early Reader · Change the reading level on the articleSome planets are very big. They are made of gas. Jupiter and Saturn are two of them. They do not have a hard ground. They are huge and round. Can you find them in the sky?
Early Reader · Change the reading level on the articleA big cloud lives in space. It is near our sun. We are moving toward it now. It has bright stars inside. It is a very cool place. Can you see the stars?
Early Reader · Change the reading level on the articleLook at the night sky. You can see a small glow. It is far away in space. Sunlight hits tiny bits of dust. This makes a soft light. It is a pretty sight. Can you find it?
Early Reader · Change the reading level on the articleGemini is a group of stars. It looks like two twins. The twins have bright stars for heads. You can see them in the winter sky. They are very pretty to see. Can you find the twins in the sky?
Early Reader · Change the reading level on the articleWe have two big telescopes. They look at the stars. One is in Hawaii. One is in Chile. They help us see far away planets. They are very special. Can you look at the stars too?
Early Reader · Change the reading level on the articleGene Cernan was a brave pilot. He flew high in space. He even walked on the Moon. He was the last person to do this. He was a great explorer. Do you like the stars?
Early Reader · Change the reading level on the articleLong ago, people had a big idea. They thought Earth was the center. They thought the Sun moved around us. The stars also moved in circles. This helped them study the sky. Do you like looking at stars?
Early Reader · Change the reading level on the articleMars is a red planet. It has many old holes. These holes are from space rocks. Long ago, Mars had water. Now it is very dry. Do you want to visit Mars?
Early Reader · Change the reading level on the articleMars is a red planet. It has big mountains. It also has deep cracks. Some parts are very high. Some parts are very low. It is a very cool place to see. Do you want to visit Mars?
Early Reader · Change the reading level on the articleMercury is a small planet. It has many big holes. These holes are from rocks hitting it. Some parts are very flat. It is near the hot Sun. Do you want to see it?
Early Reader · Change the reading level on the articleThe Moon is a big rock. It has bright parts and dark parts. Some parts are old hills. Other parts are flat plains. It has many round holes. These holes are from rocks hitting it. Do you like to look at the Moon?
Early Reader · Change the reading level on the articleVenus is a hot planet. It is a lot like Earth. Most of it is made of rock. Hot lava comes out of the ground. This makes the ground look new. Do you want to visit Venus?
Early Reader · Change the reading level on the articleSome things in space are bright. They shine when light hits them. Some rocks reflect light straight back. This makes them look very bright. It helps us see them. Do you like bright stars?
Early Reader · Change the reading level on the articleGeorge was a man who loved stars. He built big tools to see them. He looked at the sun too. He found out how sunspots work. This helps us learn about space. Do you like to look at the stars?
Early Reader · Change the reading level on the articleGeorge Smoot studied the stars. He looked at the sky. He found tiny bits of heat. This helped us learn about the start of everything. His work was very big. Can you look at the stars tonight?
Early Reader · Change the reading level on the article