There is a bright ... in the sky.
The ... is a satellite of our planet.
The ... is the star at the centre of the Solar System.
The name of our planet is the ...
Mercury, Venus and Mars are planets of the ...
Jupiter is the biggest ... in the Solar System.
The ... carries astronauts to space and back.
An ... travels into space.
Isaac Newton discovered ....
The Perseids is a ... shower that can be seen in August.
There was a big ... in the sky yesterday afternoon.
You need a ... to see some distant stars and planets.
The visit to the ... was very interesting.