To celebrate the Hubble Space Telescope's 30th birthday, here are 30 of its most incredible photos
These butterfly-like shapes are actually projections of heated gas escaping from a dead star in nebula NGC 6302.
These light jets, which look a lot like lightsabres, are jets of gas ejected from the poles of a young star.
This globular cluster called Terzan 1 is 20,000 light years away, and is home to some of the oldest stars in our galaxy.
Hubble: This is M62, a globular cluster with about 150,000 stars at its centre. At twelve billion years old, it's one of the closest clusters to the center of our galaxy - NASA/ESA/STScI.
Hubble: This is M75, a globular cluster of over 400,000 stars. Located 67,500 light years from Earth, it's estimated to be 13 billion years old - NASA/ESA/STScI.
One of Hubble's most famous photos: the Pillars of Creation, which are actually columns of interstellar dust.
The Tarantula Nebula, or 30 Doradus, one of the largest star-forming regions in the vicinity of our galaxy.
RS Puppis is a variable star belonging to the category of cepheids. It is one of the brightest stars in the galaxy.
Here is one of the most complete images of galaxies made by Hubble: it is the barred spiral galaxy known as NGC 1300.
This is the Gourd Nebula, or Rotten Egg Nebula, so called because of its high concentration of sulfur.
This is MCG 07-33-027, a galaxy known as a starburst galaxy because of its high production of stars.
This is NGC 6861, a galaxy in the Telescopium constellation. It has the peculiarity of being neither spiral, nor elliptical, but lenticular.