(PhysOrg.com) -- In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected back then.
Astronomy
Oct 6, 2011
13
0
Astronomers using the Gemini North telescope, one-half of the International Gemini Observatory operated by NSF's NOIRLab, have captured the eroding remains of more than 100 dwarf galaxies as they transition into ultra-compact ...
Astronomy
Nov 8, 2023
2
70
(PhysOrg.com) -- Looking almost 11 billion years into the past, astronomers have measured the motions of stars for the first time in a very distant galaxy and clocked speeds upwards of one million miles per hour, about twice ...
Astronomy
Aug 5, 2009
22
0
If astronomers want to learn about how supermassive black holes form, they have to start small—really small, astronomically speaking.
Astronomy
Jun 10, 2019
1
702
(Phys.org)—Using the Gemini North telescope on Mauna Kea, Hawai'i a team of astronomers from the University of Hawaii's Institute for Astronomy (IfA) have confirmed that the chance of asteroid 2011 AG5 impacting Earth in ...
Space Exploration
Dec 21, 2012
11
0
The very first stars likely formed when the universe was only 100 million years old, less than one percent its current age. These first stars—known as Population III—were so titanically massive that when they ended their ...
Astronomy
Sep 28, 2022
0
2311
(Phys.org) —Astronomers are announcing today the discovery of two unusual objects in comet-like orbits that originate in the Oort cloud but with almost no activity, giving scientists a first look at their surfaces. These ...
Space Exploration
Nov 11, 2014
5
0
Using high-resolution adaptive optics imaging from the Gemini Observatory, astronomers have uncovered one of the oldest star clusters in the Milky Way Galaxy. The remarkably sharp image looks back into the early history of ...
Astronomy
Mar 21, 2019
4
253
(PhysOrg.com) -- Jupiter is sporting a glowing bruise after getting unexpectedly whacked by a small solar system object, according to astronomers using the Gemini North telescope on Mauna Kea in Hawai'i. A spectacular new ...
Astronomy
Jul 23, 2009
9
0
Galaxy collisions are transformative events, largely responsible for driving the evolution of the universe. The mixing and mingling of stellar material is an incredibly dynamic process that can lead to the formation of molecular ...
Astronomy
Mar 29, 2023
2
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