For the first time, astronomers have observed a cosmic event in great detail that they only had glimpses of before: a supernova and its explosive ejecta slamming into a nearby companion star. The discovery was made possible ...
Astronomy
Aug 14, 2017
0
680
Einstein's understanding of gravity, as outlined in his general theory of relativity, predicts that all objects fall at the same rate, regardless of their mass or composition. This theory has passed test after test here on ...
Astronomy
Jul 4, 2018
168
2003
Astronomers have discovered the very first confirmed planetary system that resembles the expected fate of our solar system, when the Sun reaches the end of its life in about five billion years.
Astronomy
Oct 13, 2021
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Type Ia supernovae (SN Ia's) are the extraordinarily bright and remarkably similar "standard candles" astronomers use to measure cosmic growth, a technique that in 1998 led to the discovery of dark energy – and 13 years ...
Astronomy
Dec 14, 2011
177
0
(Phys.org) —Stars like the Sun can become remarkably photogenic at the end of their life. A good example is NGC 2392, which is located about 4,200 light years from Earth. NGC 2392, (nicknamed the "Eskimo Nebula") is what ...
Astronomy
Jul 11, 2013
1
0
Astronomers have used a planet-hunting satellite to see a white dwarf abruptly switching on and off for the first time.
Astronomy
Oct 18, 2021
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1405
The prevalent view of white dwarfs as inert, slowly cooling stars has been challenged by observations from the NASA/ESA Hubble Space Telescope. An international group of astronomers have discovered the first evidence that ...
Astronomy
Sep 6, 2021
82
498
You can never predict what treasure might be hiding in your own basement. We didn't know it a year ago, but it turns out that a 1917 image on an astronomical glass plate from our Carnegie Observatories' collection shows the ...
Astronomy
Apr 12, 2016
0
1381
A study that will 'test our understanding of how the Universe works, particularly outside the relatively narrow confines of our planet' is being undertaken by an international team of researchers led by the University of ...
Astronomy
Sep 5, 2017
74
2744
An international team of space scientists has found evidence of what they believe is a remnant of a type Iax supernova—a white dwarf moving in a way that suggests it was blown across part of the universe by the power of ...
