2024-04-24 10:35:00
Hubble Space Telescope releases ‘Little Dumbbell Nebula’ images on 34th anniversary of Hubble’s work.
April 24, 1990 was the first day the Hubble Space Telescope (HST) was launched into space. Complete a mission to record images and help study various objects in space, including planets, stars, nebulae, and other galaxies outside of the Milky Way.
To celebrate the 34th anniversary of Hubble’s launch, astronomers photographed the Little Dubbell Nebula, also known as the M76 galaxy, located 3,400 light-years from Earth in the constellation Perseus.
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M76 is a popular target with amateur astronomers. It is classified as a planetary nebula (planetary nebula), which is a cloud of glowing gas ejected from a dying red giant star that collapses into a dense white dwarf.
Planetary nebulae have nothing to do with planets. The name comes from astronomers in the 1700s who used low-resolution telescopes and thought these objects looked like planets.
M76 consists of rings. and there are two petals on either side of the ring opening. This appearance may be due to the fact that there once existed a binary companion star.
The star that collapsed into a white dwarf to form the Little Dumbbell Nebula is one of the hottest stellar remnants ever discovered. Its temperature reaches 138,000 degrees Celsius, or 24 times the temperature of the surface of the sun. An extremely hot white dwarf star can be seen dotted around the center of the nebula.
The two petals we see in the image are hot gases escaping. along the star’s rotation axis They are driven by a hurricane-like flow of material from a dying star. which travels through space at a speed of 3.2 million kilometers per hour Fast enough to travel from Earth to the Moon in 7 minutes.
This strong stellar wind blows over colder, slower regions of gas. which are expelled during the first phase of a star’s life cycle When it has become a red giant Intense ultraviolet rays cause the gas to glow. The red color comes from nitrogen. and the blue color comes from oxygen.
Over the past 34 years, Hubble has made 1.6 million observations of more than 53,000 astronomical objects in ultraviolet light. The total dataset is more than 184 terabytes, and since 1990, 44,000 scientific papers have been published on Hubble observations.
The Space Telescope is the most scientifically productive mission in NASA history. Most of Hubble’s discoveries were unexpected, like supermassive black holes. Exoplanet atmospheres Gravitational lensing from dark matter existence of dark energy and the formation of planets among stars
NASA has the powerful James Webb Space Telescope (JWST) which takes images in infrared wavelengths. But it is designed to work with Hubble, not to replace it.
Therefore, future studies of space will involve the interaction of two wavelengths of light. This might help develop groundbreaking research, such as the composition of exoplanets. unusual supernova galaxy core and chemistry in a distant universe
Compiled from NASA
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