Universe

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Tag: Bad Astronomy

When the Universe makes no sense, look at a pretty galaxy

Phil Plait

The spiral galaxy NGC 3254, seen by Hubble in 2019. Credits: ESA/Hubble & NASA, A. Riess et al.; CC BY 4.0

Tag: Bad Astronomy

Tag: Bad Astronomy

A moment of the Universe

Phil Plait

May 24, 2021

A foreground star (upper left) betrays its nature via diffraction spikes, an optical effect when a point source of light passes through a telescope.

Tag: Bad Astronomy

Tag: Bad Astronomy

Methuselah's Star is not older than the Universe after all. But it's still pretty frakking old.

Phil Plait

May 21, 2021

What Methuselah’s Star may look like up close (artist’s concept). Credit: NASA/SDO and the AIA science team. Modified by Phil Plait

Tag: Bad Astronomy

Tag: Bad Astronomy

The best image ever taken of the cosmic web reveals the birthplace of galaxies

Phil Plait

Mar 19, 2021

Extremely distant hydrogen gas (blue) forms filaments that galaxies were born from in the very early Universe. The gas is displayed over the Hubble image of the Ultra Deep Field. Credit: Roland Bacon, David Mary, ESO and NASA

Tag: Bad Astronomy

Tag: Bad Astronomy

The Universe is acting funny. Or we’re looking at it wrong.

Phil Plait

Mar 10, 2021

The elliptical galaxy IC 2006, which lies about 65 million light years from Earth. Credit: ESA/Hubble & NASA Image acknowledgement: Judy Schmidt and J. Blakeslee (Dominion Astrophysical Observatory). Note that the image is not related to science release

Tag: Bad Astronomy

Tag: Bad Astronomy

Staring down the throat of an ancient, *extremely* distant black hole

Phil Plait

Feb 23, 2021

Artist drawing of a blazar, a galaxy with a supermassive black hole spewing out energy. Credit: DESY, Science Communication Lab

Tag: Bad Astronomy

Tag: Bad Astronomy

Another record-breaking quasar with a black hole that’s *too* supermassive

Phil Plait

Jan 15, 2021

Artwork depicting the accretion disk around a supermassive black hole in a quasar, creating a jet of matter blowing outwards. Credit: NOIRLab/NSF/AURA/J. da Silva

Tag: Bad Astronomy

Tag: Bad Astronomy

The Universe is 13.77 billion years old. Probably. Maybe a little less. We're not sure.

Phil Plait

Jan 5, 2021

A portion of the huge survey of the early Universe made by the Atacama Cosmology Telescope, showing minute temperature fluctuations in the radiation leftover from the Big Bang. These variations are what eventually formed galaxies, stars, and you.

Tag: Bad Astronomy

Tag: Bad Astronomy

Tag: Dark Matter

Axions, dark matter, and neutron stars: How to find the Universe's most mysterious matter

Phil Plait

Jan 4, 2021

Dark matter is thought to have formed a huge web in the early Universe, like this model from a computer simulation, allowing galaxies to form along the filaments. Credit: Springel et al. / The Millennium Simulation Project

Tag: Bad Astronomy

Tag: Dark Matter

Tag: Bad Astronomy

Tag: Black Holes

Is dark matter made of teeny tiny black holes from another universe? Welllll…

Phil Plait

Dec 30, 2020

Fanciful artwork of baby universes spawning and growing in the first moments of our own Universe’s existence. Credit：Kavli IPMU

Tag: Bad Astronomy

Tag: Black Holes

Tag: Bad Astronomy

Tag: galaxy clusters

What's the matter with the Universe? About 31%.

Phil Plait

Sep 30, 2020

Tag: Bad Astronomy

Tag: galaxy clusters

Tag: Bad Astronomy

Why is there a normal galaxy sitting at the edge of the Universe?

Phil Plait

Sep 7, 2020

The ALMA image of the very distant galaxy SPT0418, distorted into a ring due to the gravity of an intervening galaxy. Credit: ALMA (ESO/NAOJ/NRAO), Rizzo et al.

Tag: Bad Astronomy

Tag: Bad Astronomy

Tag: Hubble Space Telescope

The *entire* sky glows from the light of distant hydrogen. All of it, everywhere.

Phil Plait

Aug 20, 2020

A section of the Hubble Ultra Deep Field showing hundreds of galaxies, with the MUSE observations of hydrogen glow superposed (blue). The glow is everywhere, coming from hydrogen gas in the distant Universe. ESA/Hubble & NASA, ESO/ Lutz Wisotzki et al.

Tag: Bad Astronomy

Tag: Hubble Space Telescope

Tag: apocalypse

Physicist predicts the 'mindboggling' number of years before the universe ends

Jeff Spry

Aug 17, 2020

Tag: apocalypse

Tag: Bad Astronomy

A huge distant galaxy went from making billions of stars to suddenly stopping. Why?

Phil Plait

Feb 6, 2020

The hugely sprawling Tarantula Nebula, a vast star-forming complex in a nearby satellite galaxy of the Milky Way. It's currently making hundreds of thousands of stars. Credit: ESO

Tag: Bad Astronomy

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