About 342,000 results
Open links in new tab
  1. Supernovas | Facts, Information, Meaning, History & Definition

    Aug 17, 2020 · Supernovas are powerful and luminous stellar explosions. This event occurs during the last evolutionary stages of a massive star.

  2. Neutron Stars | Facts, Information, History & Definition

    Jun 12, 2020 · The infalling outer envelope of a star is halted and flung outwards by a flux of neutrinos produced in the creation of the neutrons, becoming a supernova. The stellar …

  3. UY Scuti Facts | Constellation, Information, History & Definition

    Dec 6, 2019 · UY Scuti is a red supergiant star located in the constellation Scutum. It is one of the largest known stars, discovered since 1860. Click for more facts.

  4. Antares A (α Scorpii) | Facts, Information, History & Definition

    Jan 8, 2020 · It is expected to explode as a supernova in the next million years. Antares is a two-star system consisting of Antares A – the red supergiant, and Antares B – a much smaller yet …

  5. R136a1 | Facts, Information, History & Definition

    Dec 6, 2019 · R136a1 is the most massive and luminous star ever discovered in the Universe. It is also one of the hottest stars, and it is located in the Large Magellanic Cloud. Key Facts & …

  6. Stars | Facts, Information, History & Definition

    Jan 8, 2020 · The most massive and luminous star ever discovered is a Wolf-Rayet star named R136a1. It has around 315 solar masses and 8.7 million solar luminosity. The largest current …

  7. Rigel (ẞ Orionis) | Facts, Information, History & Definition

    Dec 20, 2019 · Rigel is a variable star, thus it is occasionally outshone by Betelgeuse. Contrasting with the orange-red Betelgeuse, Rigel appears as blue-white to the naked eye. Rigel is also a …

  8. How Do Stars Die? | Space Questions - The Nine Planets

    Aug 22, 2023 · A black hole forms upon the death of a star, usually when a large sun has undergone a supernova explosion event. Generally speaking smaller stars do not form black …

  9. When Will Betelgeuse Explode? | Space Questions

    Aug 22, 2023 · An event dubbed as “The Great Dimming” saw a drastic dip in the star’s emitted light which within a couple of months saw a 60% decrease in the star’s brightness. This led …

  10. Betelgeuse (α Orionis) | Facts, Information, History & Definition

    Jan 8, 2020 · The other shoulder is marked by the bright giant Bellatrix, Gamma Orionis. Because Betelgeuse is so big and bright, and because it is a variable star, it can sometimes outshine …