The greatest fireworks show in the universe
Your Roman candle has nothing on this supernova explosion

A giant star cluster.
(NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI), and the Westerlund 2 Science Team)

A classical nova called GK Persei.
(NASA)

The star Hen 2-427 and the nebula M1-67 in the constellation Sagittarius.
(ESA/Hubble & NASA, Acknowledgement: Judy Schmidt)

The Antennae Galaxies.
(Hubble/European Space Agency)

The supernova remnant Cassiopeia A, a once-massive star that died in a violent supernova explosion, with added color.
(NASA/JPL-Caltech/STScI/CXC/SAO)

A Wolf–Rayet star known as WR 31a in the constellation Carina.
(ESA/Hubble & NASA, Acknowledgement: Judy Schmidt)

An ancient cluster of stars at the edge of the Milky Way galaxy.
(X-ray: NASA/CXC/IASF Palermo/M.Del Santo et al; Optical: NASA/STScI)

A planetary nebula known as The Little Gem Nebula in the constellation Sagittarius.
(ESA/Hubble & NASA, Acknowledgement: Judy Schmidt)

The supernova remnant MSH 11-62.
(NASA/CXC/SAO/P. Slane et al.)

The crab nebula, an iconic supernova remnant, in our Milky Way galaxy.
(ESA/Herschel/PACS/MESS Key Programme Supernova Remnant Team; NASA, ESA and Allison Loll/Jeff Hester (Arizona State University))

Frontier Fields galaxy cluster MACS J0416.
(X-ray: NASA/CXC/SAO/G. Ogrean et al.; Optical: NASA/STScI; Radio: NSF/NRAO/VLA)