Novae
Novae is an archaeological site situated on the Danube in northern Bulgaria, about 4 kilometres east of the modern town Svishtov. It was a legionary base and late Roman town in the Roman province Moes...
Novae - Wikipedia
Nova in Sagittarius Brightens!
Bright nova discovered in Sagittarius, March 2015: Nova Sagittarii 2015 No. 2. Visible in binoculars! A 6th-magnitude nova erupted inside the Sagittarius Teapot on March 15th. It's in easy range of bi...
Hypernova - Video
A hypernova explosion, the possible source of powerful gamma-ray bursts, is about 100 times more energetic than a supernova explosion and is thus the most en...
SN 2006gy
SN 2006gy was an extremely energetic supernova, sometimes referred to as a hypernova or quark-nova, that was discovered on September 18, 2006. It was first observed by Robert Quimby and P. Mondol, and...
SN 2006gy - Wikipedia
T Pyxidis
T Pyxidis (T Pyx) is a recurrent novaand nova remnant in the constellation Pyxis. It's a binary star system and is estimated at about 4,783 parsecs (15,600 light-years) from Earth. It contains a Sun-l...
T Pyxidis - Wikipedia
Pair-instability supernova
A pair-instability supernova occurs when pair production, the production of free electrons and positrons in the collision between atomic nuclei and energetic gamma rays, reduces thermal pressure insid...
Pair-instability supernova - Wikipedia
Nova in Sagittarius Brightens!
Bright nova discovered in Sagittarius, March 2015: Nova Sagittarii 2015 No. 2. Visible in binoculars! A 6th-magnitude nova erupted inside the Sagittarius Teapot on March 15th. It's in easy range of bi...
SN 1998bw
SN 1998bw was a rare broad-lined Type Ic gamma ray burst supernova detected on 26 April 1998 in the ESO 184-G82 spiral galaxy, which some astronomers believe may be an example of a collapsar. The sup...
SN 1998bw - Wikipedia
V500 Aquilae
V500 Aquilae or Nova Aquilae 1943 was a nova which appaeared in the constellation Aquila in 1943 and reached a brightness of 6.1 mag. Its brightness decreased in 30 days around 3 mag.
Nova Sagittarii 1898
Nova Sagittarii 1898 (also called V1059 Sagittarii) was a nova, which lit up in 1898 in the constellation Sagittarius. Nova Sagittarii 1898 reached magnitude 4.5.
T Coronae Borealis
T Coronae Borealis (T CrB), informally nicknamed the Blaze Star, is a recurring nova in the constellation Corona Borealis. It normally has a magnitude of about 10, which is near the limit of typical ...
T Coronae Borealis - Wikipedia
GK Persei
GK Persei (also Nova Persei 1901) was a bright nova occurring in 1901. It reached a maximum magnitude of 0.2, the brightest nova of modern times until Nova Aquilae 1918. After fading into obscurity at...
GK Persei - Wikipedia
DN Geminorum
DN Geminorum or Nova Geminorum 1912 was a nova which lit up in 1912 in the constellation Gemini. It reached a brightness of 3.5 mag. Its brightness decreased in 36 days by 3 mag. Today its brightness ...
DN Geminorum - Wikipedia
V604 Aquilae
V604 Aquilae or Nova Aquilae 1905 was a nova, which occurred in the constellation Aquila in 1905 with a maximum brightness of 7.6 mag.
V604 Aquilae - Wikipedia
DI Lacertae
DI Lacertae or Nova Lacertae 1910 was a nova in constellation Lacerta, discovered by T. H. E. C. Espin in 1910. It reached a brightness of 4.6 mag. Its brightness decreased in 37 days by 3 mag. Today ...
DI Lacertae - Wikipedia
SN 2005ap
SN 2005ap was an extremely energetic type II supernova in the galaxy SDSS J130115.12+274327.5. It is reported to be the brightest supernova yet recorded, twice as bright as the previous record ho...