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Category: astronomy

Artist impression of the 14 galaxies hdetected by ALMA as they appear in the very early, very distant universe. These galaxies are in the process of merging and will eventually form the core of a massive galaxy cluster. (NRAO/AUI/NSF; S. Dagnello)

Galaxy Megamergers 1.4 – 1.5 Billion Years after the Big Bang

April 26, 2018

Two teams of astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) and the Atacama Pathfinder Experiment (APEX), in Chile, to observe dense concentrations of so-called “starburst” galaxies. With these galaxies packing together so closely, the scientific teams realized that they were getting ready to violently collide and merge with each other, which would eventually […]

Whew! something smells really bad. (mmntz/Public Domain via Flickr)

Study: Planet Uranus Smells Like Rotten Eggs

April 24, 2018

A new study has confirmed what a number of scientists have long suspected about the ice giant planet, Uranus. Its upper atmosphere probably smells like rotten eggs. The rotten egg smell can be attributed to a flammable and poisonous gas called hydrogen sulfide. An international group of scientists led by Patrick Irwin, from the UK’s University of Oxford, […]

Illustration of NASA's Transiting Exoplanet Survey Satellite -- TESS -- observing an M dwarf star with orbiting planets. (NASA's Goddard Space Flight Center)

NASA Launches TESS the Exoplanet Hunter

April 23, 2018

The Transiting Exoplanet Survey Satellite, or TESS, will soon join NASA’s fleet of exoplanet-hunters that, so far, includes the Kepler, Hubble, and the Spitzer Space Telescopes. TESS was launched at 2251 UTC on April 18, 2018, from the Cape Canaveral Air Force Station in Florida. The space observatory is expected to survey about 85% of […]

This is how the center of our Milky Way Galaxy, looked on 8/27/13, from New Zealand in the Southern Hemisphere. (Dave Young/Creative Commons, Attribution 2.0 Generic via Flickr)

Astronomers Search for the Sun’s Long-Lost Solar Siblings

April 20, 2018

While a family reunion is highly unlikely, Australian and European astronomers are still trying to find our Sun’s long-lost solar siblings which are now scattered throughout the sky. To do so, the scientists examined the of some 350,000 stars in the Milky Way – as though they were mapping each star’s DNA. The sun was […]

Artist’s impression of Oumuamua, the first visitor to our solar system from interstellar space. (ESO/M. Kornmessar via Wikimedia Commons)

Radio Telescope Finds No Signs of Alien Life in Interstellar Object

April 12, 2018

Soon after the October 2017 discovery of Oumuamua, the first confirmed interstellar object to visit our solar system, rumors and conspiracy theories began popping up all over the Internet. Because of its suspected origins, as well as its odd, flat, cigar-shaped appearance, word started to spread that the object was actually an alien interstellar space […]

Galaxy cluster MACS J1149.5+223. Highlighted is the position where the star LS1 appeared — its image magnified by a factor 2000 by gravitational microlensing.(NASA, ESA, S. Rodney (John Hopkins University, USA) and the FrontierSN team; T. Treu (University of California Los Angeles, USA), P. Kelly (University of California Berkeley, USA) and the GLASS team; J. Lotz (STScI) and the Frontier Fields team; M. Postman (STScI) and the CLASH team; and Z. Levay (STScI))

Discovered: Most Distant Star Seen (So Far)

April 4, 2018

The 2016 discovery of the most distant star ever seen – so far – has been outlined in a new study published in the journal Nature Astronomy. According to the study, the star, formally named 1) but nicknamed Icarus, is located about 9 billion light-years from Earth. This means light from the star started toward […]

This is a galaxy that's been catalogued as NGC 1052-DF2. Astronomers call it the "see-through" galaxy since you can see right through it and observe other and more distant galaxies behind it. Researchers have found that the galaxy is missing most, if not all, of its dark matter. (NASA, ESA, and P. van Dokkum (Yale University))

A Galaxy is Missing Its Dark Matter

April 2, 2018

Scientists say that the invisible and mysterious dark matter makes up about 27% of all material in the universe. Regular or normal matter that you see and touch every day takes up 5% and the remaining 68% comes from an enigmatic form of energy called dark energy. According to NASA, dark matter serves as a type of […]

This is an enhanced-color image of Mecury taken during NASA’s MESSENGER mission in 2015. (NASA/JHU Applied Physics Lab / Carnegie Inst. Washington)

Newly Discovered Exoplanet Resembles Planet Mercury

March 30, 2018

A newly found exoplanet called K2-229b is about 20% larger and 2.5 times more massive than Earth. But the international team of astronomers, who recently discovered it, say it’s more like a super-charged version of our solar-system’s innermost planet, Mercury. They describe the planet as hot, metallic, made of iron and nickel, circles an orange K-dwarf […]

Artist conception of James Webb Space Telescope (Image: NASA)

More Testing Needed: NASA Delays Launch of Webb Space Telescope

March 29, 2018

Have you been anxiously waiting to see some of the new and more dazzling views of space that NASA promises will be provided by the new James Webb Space Telescope? Well, sorry to disappoint you, but you’re going to have to wait a little longer. The US space agency says they must delay sending the more powerful […]

Artist’s impression of Oumuamua, the first visitor to our solar system from interstellar space. (ESO/M. Kornmessar via Wikimedia Commons)

First Interstellar Visitor Probably Came From Binary Star System

March 21, 2018

Canadian astronomers think that the first confirmed interstellar object to enter our solar system, a rocky, cigar-shaped asteroid called ‘Oumuamua, probably came from a binary star system. To make their findings, the researchers at the University of Toronto’s Center for Planetary Science checked into just how effective twin star systems are at ejecting objects like […]

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