News tagged with dwarf galaxies

Related topics:

Dark matter satellites trigger massive birth of stars

One of the main predictions of the current model of the creation of structures in the universe, known at the Lambda Cold Dark Matter model, is that galaxies are embedded in very extended and massive halos of dark matter that ...

dateMar 09, 2016 in Astronomy
shares1251 comments 78

Hubble sweeps scattered stars in Sagittarius

This colorful and star-studded view of the Milky Way galaxy was captured when the NASA/ESA Hubble Space Telescope pointed its cameras towards the constellation of Sagittarius (The Archer). Blue stars can be seen scattered ...

dateJun 20, 2016 in Astronomy
shares23 comments 0

Hubble peers into the mouth of Leo A

At first glance, this NASA/ESA Hubble Space Telescope image seems to show an array of different cosmic objects, but the speckling of stars shown here actually forms a single body—a nearby dwarf galaxy known as Leo A. Its ...

dateApr 18, 2016 in Astronomy
shares61 comments 4

Galaxy quakes could improve hunt for dark matter

A trio of brightly pulsating stars at the outskirts of the Milky Way is racing away from the galaxy and may confirm a method for detecting dwarf galaxies dominated by dark matter and explain ripples in the outer disk of the ...

dateJan 07, 2016 in Astronomy
shares1376 comments 1

The hottest white dwarf in the Galaxy

Astronomers at the Universities of Tübingen and Potsdam have identified the hottest white dwarf ever discovered in our Galaxy. With a temperature of 250,000 degrees Celsius, this dying star at the outskirts of the Milky ...

dateNov 25, 2015 in Astronomy
shares37 comments 12

Students map Milky Way with dwarf stars

Two astronomy students from Leiden University have mapped the entire Milky Way Galaxy in dwarf stars for the first time. They show that there are a total of 58 billion dwarf stars, of which seven per cent reside in the outer ...

dateMar 16, 2016 in Astronomy
shares72 comments 1