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Images of auroras from across the world, including those with rarer red and blue lights Aurora australis seen from the ISS , 2017 [ 1 ] An aurora [ a ] ( pl. aurorae or auroras ), [ b ] also commonly known as the northern lights ( aurora borealis ) or southern lights ( aurora australis ), [ c ] is a natural light display in Earth 's sky ...
δ Crucis (Imai) is a magnitude 2.8 blue-white hued star about 345 light-years from Earth. [3] Like Mimosa it is a Beta Cepheid variable. [15] There is also a fifth star, that is often included with the Southern Cross. ε Crucis (Ginan) is an orange-hued giant star of magnitude 3.6, 228 light-years from Earth.
Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...
For many star-gazing fans in California, catching a glimpse of northern lights in person seems like a dream. ... aurora borealis, in Earth’s northern hemisphere and the southern lights, or ...
A severe geomagnetic storm brought spectacular light displays to many parts of the United States on Thursday night, with skies as far south as San Antonio bathed in rich hues of magenta and green.
[citation needed] [dubious – discuss] In large cities, about 300 to 500 stars can be seen depending on the extent of light and air pollution. [citation needed] The farther north, the fewer are visible to the observer. [citation needed] The brightest star in the night sky is located in the southern celestial hemisphere and is larger than the Sun.
The year 2024 was huge for solar news. In April, a total solar eclipse was visible to millions of Americans, which was then followed by multiple widespread northern and southern lights caused by CMEs.
Canopus is the brightest star in the southern constellation of Carina and the second-brightest star in the night sky. It is also designated α Carinae, which is romanized (transliterated) to Alpha Carinae. With a visual apparent magnitude of −0.74, it is outshone only by Sirius.