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How NASA’s Roman Space Telescope Will Illuminate Cosmic Dawn

6 min read

Today, enormous stretches of space are crystal clear, but that wasn’t always the case. During its infancy, the universe was filled with a “fog” that made it opaque, cloaking the first stars and galaxies. NASA’s upcoming Nancy Grace Roman Space…

Article2 days ago
A spiral galaxy seen almost face-on. Large spiral arms whirl out from its center, filling the scene. They glow faintly blue from the stars within, with some small bright patches of blue and pink marking areas of star formation. Thin filaments of dark reddish dust that block light overlay the stars. The galaxy’s center shines brightly white.

Hubble Measures the Distance to a Supernova

3 min read

Measuring the distance to truly remote objects like galaxies, quasars, and galaxy clusters is a crucial task in astrophysics, particularly when it comes to studying the early universe, but it’s a difficult one to complete. We can only measure the…

Article2 weeks ago
The central region of the globular star cluster Omega Centauri. It appears as a collection of myriad stars colored red, white, and blue on the black background of space.

NASA’s Hubble Finds Strong Evidence for Intermediate-Mass Black Hole in Omega Centauri

4 min read

Most known black holes are either extremely massive, like the supermassive black holes that lie at the cores of large galaxies, or relatively lightweight, with a mass of under 100 times that of the Sun. Intermediate-mass black holes (IMBHs) are…

Article2 weeks ago