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- Specifically, the Earth’s atmosphere bends and blocks the light from objects outside our atmosphere, making objects that are point sources appear to “twinkle”, or appear and disappear, dependent upon how the atmosphere is moving around and how thick it is.
public.nrao.edu/ask/what-causes-stars-to-repeatedly-disappear-and-reappear/
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Why did a star's brightness fade in and out?
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Jan 26, 2024 · By clocking the speed of stars throughout the Milky Way galaxy, MIT physicists have found that stars further out in the galactic disk are traveling more slowly than expected compared to stars that are closer to the galaxy’s center. The findings raise a surprising possibility: The Milky Way’s gravitational core may be lighter in mass, and ...
Jul 19, 2006 · When starlight enters an optical system with a circular aperture, such as a telescope or a human eye, the image that forms is not a point but a round spot that fades from center to edge.
Apr 22, 2020 · Answer: Even though the stars that we see in the night sky are all very far away, we can see them not by actually being able to resolve their sizes, but by measuring the light that they produce.
Dec 20, 2006 · One possible explanation is that some massive stars bypass the supernova phase completely in death, letting out only a long gamma ray sigh before collapsing immediately into a black...
May 3, 2020 · There may have been some thin clouds in the sky where you were watching stars which caused the star’s brightness to fade in and out as clouds passed overhead. I suspect that this is what you were seeing.
Apr 11, 2022 · Describe how some stars vary their light output and why such stars are important; Explain the importance of pulsating variable stars, such as cepheids and RR Lyrae-type stars, to our study of the universe; Let’s briefly review the key reasons that measuring distances to the stars is such a struggle.
Gravity and nuclear fusion reactions drive the formation and development of stars. Stars with different masses grow and change throughout the different stages of their lives.
