How do astronomers measure extremely large distances in the far away corners of the Universe? So this would be the top step on the cosmic distance ladder.
Sep 7th: Explosions Help Us Measure Distances in the Universe
Tag: galaxy
Sep 3rd: Galaxy Used as Cosmic Telescope to Peer Back in Time
With a groundbreaking technique, astronomers have used a galaxy as a gravitational lens to backlight two hydrogen clouds, peering back 11 billion light-years at our early universe
Sep 2nd: All The Different Types Of Galaxies!
Dr. Jen covers all the different types of galaxies! Find out what makes a galaxy, how they form, how they die and how we know what our galaxy looks like when we can’t leave it to look back on it.
Aug 24th: An Ancient Merry-Go-Round
There is evidence of rotation in a galaxy which existed just 500 million years after the Big Bang. This is the earliest galaxy we’ve found with possible rotation! This young galaxy rotates more slowly than modern galaxies, but maybe it’s on its way to gaining more speed.
Jul 28th: A Fossil Galaxy in the Outskirts of Andromeda
An international team of astronomers found a dwarf galaxy in the outskirts of the Andromeda Galaxy, M31, located over 2.5 million light-years from us. However, the ultra-faint dwarf galaxy, now called Pegasus V, was first spotted by a very attentive amateur astronomer Giuseppe Donatiello, of UAI, the Unione Astrofili Italiani.
Jun 7th: How Do Black Holes Affect Their Galaxies?
How do giant black holes shut off star formation? How do they turn it back on? Which came first, the black hole or the galaxy? I discuss these questions and more in today’s Ask a Spaceman!
Jun 1st: Awesome Astronomy June 2022 News Round-up
Time for your June sky guide and news round up with @AwesomeAstroPod. This month we have A companion star that survived a supernova, dark matter stripped away in galaxies, and of course the image of Sagittarius A*.
May 6th: News Round-up
News round-up with @WSHCrew this week will cover various topic including cosmic rays as earthquake detection, rare galaxies forming stars, James Webb, machine learning for exoplanet cartography, solar flares, and Event Horizon Telescope.
May 4th: Awesome Astronomy May 2022 News
Time for @AwesomeAstroPod news round-up and skyguide. We have JWST, new type of nebula, detecting life in Europa, exoplanet around dead star, galaxy with no dark matter and more. #365DaysOfAstro
Mar 30th: This Spanish Dancer Twirls in a Cosmic Ballet
Today we bring you space scoop about the magnificent galaxy NGC 1566, nicknamed the “Spanish Dancer”. More at #365DaysofAstro