Firstpost
  • Home
  • Video Shows
    Vantage Firstpost America Firstpost Africa First Sports
  • World
    US News
  • Explainers
  • News
    India Opinion Cricket Tech Entertainment Sports Health Photostories
  • Asia Cup 2025
Apple Incorporated Modi ji Justin Trudeau Trending

Sections

  • Home
  • Live TV
  • Videos
  • Shows
  • World
  • India
  • Explainers
  • Opinion
  • Sports
  • Cricket
  • Health
  • Tech/Auto
  • Entertainment
  • Web Stories
  • Business
  • Impact Shorts

Shows

  • Vantage
  • Firstpost America
  • Firstpost Africa
  • First Sports
  • Fast and Factual
  • Between The Lines
  • Flashback
  • Live TV

Events

  • Raisina Dialogue
  • Independence Day
  • Champions Trophy
  • Delhi Elections 2025
  • Budget 2025
  • US Elections 2024
  • Firstpost Defence Summit
Trending:
  • Charlie Kirk shot dead
  • Nepal protests
  • Russia-Poland tension
  • Israeli strikes in Qatar
  • Larry Ellison
  • Apple event
  • Sunjay Kapur inheritance row
fp-logo
Thirteen dwarf galaxies found housing massive black holes — but not at their centers
Whatsapp Facebook Twitter
Whatsapp Facebook Twitter
Apple Incorporated Modi ji Justin Trudeau Trending

Sections

  • Home
  • Live TV
  • Videos
  • Shows
  • World
  • India
  • Explainers
  • Opinion
  • Sports
  • Cricket
  • Health
  • Tech/Auto
  • Entertainment
  • Web Stories
  • Business
  • Impact Shorts

Shows

  • Vantage
  • Firstpost America
  • Firstpost Africa
  • First Sports
  • Fast and Factual
  • Between The Lines
  • Flashback
  • Live TV

Events

  • Raisina Dialogue
  • Independence Day
  • Champions Trophy
  • Delhi Elections 2025
  • Budget 2025
  • US Elections 2024
  • Firstpost Defence Summit
  • Home
  • Tech
  • science
  • Thirteen dwarf galaxies found housing massive black holes — but not at their centers

Thirteen dwarf galaxies found housing massive black holes — but not at their centers

tech2 News Staff • January 7, 2020, 11:31:18 IST
Whatsapp Facebook Twitter

These dwarf galaxies have black holes that are about 4,00,000 times the mass of our Sun.

Advertisement
Subscribe Join Us
Add as a preferred source on Google
Prefer
Firstpost
On
Google
Thirteen dwarf galaxies found housing massive black holes — but not at their centers

Astronomers have discovered 13 dwarf galaxies containing massive black holes. The hope is that in studying these galaxies, astronomers can understand how black holes form, especially in the early years of the universe’s existence. The galaxies are less than a billion light-years away from the Earth, and a hundred times smaller than our own Milky Way galaxy. All of them have a black hole at its center. However, these dwarf galaxies have black holes that aren’t proportionate in size. The black holes are massive — roughly 4,00,000 times the mass of our Sun. [caption id=“attachment_7870961” align=“alignnone” width=“1280”]Artist’s conception of a dwarf galaxy, its shape distorted, most likely by a past interaction with another galaxy, and a massive black hole in its outskirts (pullout). The black hole is drawing in material that forms a rotating disk and generates jets of material propelled outward. Image Credit: Sophia Dagnello, NRAO/AUI/NSF Artist’s conception of a dwarf galaxy, its shape distorted, most likely by a past interaction with another galaxy, and a massive black hole in its outskirts (pullout). The black hole is drawing in material that forms a rotating disk and generates jets of material propelled outward. Image Credit: Sophia Dagnello/NRAO/AUI/NSF[/caption] In 2011, Montana State University scientist Amy Reines and her team found the first evidence of a massive black hole in a dwarf galaxy. This spurred their study on, leading them to explore galaxies from the NASA-Sloan Atlas — a catalog of images and parameters of local galaxies sourced from the Sloan Digital Sky Survey and Galaxy Evolution Explorer (GALEX) data to study objects in the ultraviolet spectrum. The team of astronomers chose a total of 111 galaxies, with all the stars collectively adding up to three billion times the sun’s mass. The team also picked candidate dwarf galaxies from the National Radio Astronomy Observatory’s Faint Images of the Radio Sky at Twenty centimeters (FIRST) Survey, carried out between 1993 and 2011. The National Science Foundation’s Very Large Array (VLA) telescope was used to take more sensitive, high-resolution images of some select galaxies.

They discovered that the black holes in 13 dwarf galaxies weren’t positioned in the center as they are in larger ones (with massive or supermassive black holes). These galaxies, the researchers think, merged with other galaxies earlier in their lives, and are found wandering in the outskirts of their galaxies. “We hope that studying them and their galaxies will give us insights into how similar black holes in the early Universe formed and then grew, through galactic mergers over billions of years, producing the supermassive black holes we see in larger galaxies today, with masses of many millions or billions of times that of the Sun,” Reines said in a statement. The team will present their study’s findings at the American Astronomical Society’s meeting in Honolulu, Hawaii.

Tags
Moon Sun Milky Way Black hole stars Large Magellanic Cloud light years Dwarf Galaxy spac large galaxies National Science Foundation’s Very Large Array telescope
End of Article
Latest News
Find us on YouTube
Subscribe
End of Article

Top Stories

Charlie Kirk, shot dead in Utah, once said gun deaths are 'worth it' to save Second Amendment

Charlie Kirk, shot dead in Utah, once said gun deaths are 'worth it' to save Second Amendment

From governance to tourism, how Gen-Z protests have damaged Nepal

From governance to tourism, how Gen-Z protests have damaged Nepal

Did Russia deliberately send drones into Poland’s airspace?

Did Russia deliberately send drones into Poland’s airspace?

Netanyahu ‘killed any hope’ for Israeli hostages: Qatar PM after Doha strike

Netanyahu ‘killed any hope’ for Israeli hostages: Qatar PM after Doha strike

Charlie Kirk, shot dead in Utah, once said gun deaths are 'worth it' to save Second Amendment

Charlie Kirk, shot dead in Utah, once said gun deaths are 'worth it' to save Second Amendment

From governance to tourism, how Gen-Z protests have damaged Nepal

From governance to tourism, how Gen-Z protests have damaged Nepal

Did Russia deliberately send drones into Poland’s airspace?

Did Russia deliberately send drones into Poland’s airspace?

Netanyahu ‘killed any hope’ for Israeli hostages: Qatar PM after Doha strike

Netanyahu ‘killed any hope’ for Israeli hostages: Qatar PM after Doha strike

Top Shows

Vantage Firstpost America Firstpost Africa First Sports
Latest News About Firstpost
Most Searched Categories
  • Web Stories
  • World
  • India
  • Explainers
  • Opinion
  • Sports
  • Cricket
  • Tech/Auto
  • Entertainment
  • IPL 2025
NETWORK18 SITES
  • News18
  • Money Control
  • CNBC TV18
  • Forbes India
  • Advertise with us
  • Sitemap
Firstpost Logo

is on YouTube

Subscribe Now

Copyright @ 2024. Firstpost - All Rights Reserved

About Us Contact Us Privacy Policy Cookie Policy Terms Of Use
Home Video Shorts Live TV