Algol-type binary systems consist of a B-A-F type main-sequence primary component and an F-G-K type giant or subgiant secondary component. According to the explanation of the Algol paradox, the initially more massive component ...
Astronomy
Jan 4, 2021
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118
Using data from the Rossi X-ray Timing Explorer (RXTE) satellite, astronomers from the Florida Institute of Technology have discovered a quasi-periodic oscillation (QPO) in the galaxy NGC 4945. The finding, reported in a ...
No satellite stays the same once launched into space. How much it changes can go unnoticed—until something bad happens.
Space Exploration
Jun 16, 2020
0
22
A polar is a highly magnetic type of cataclysmic variables containing an accreting white dwarf and a low-mass donor star. Due to the magnetism, the white dwarf would synchronously spin, however, there are still several asynchronous ...
Astronomy
Apr 29, 2020
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9
CHEOPS has reached its next milestone: Following extensive tests in Earth's orbit, some of which the mission team was forced to carry out from home due to the coronavirus crisis, the space telescope has been declared ready ...
Astronomy
Apr 16, 2020
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31
Scientists at the Center for Astrophysics, Harvard & Smithsonian have announced the discovery that, contrary to previously accepted knowledge, Type Ia supernovae experience light curve decline plateaus, and lengthy ones at ...
Astronomy
Oct 7, 2019
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268
An international team of astronomers reports the discovery of an unusual Type II supernova in the galaxy NGC 1068, as part of the DLT40 survey. The newly detected event, designated SN 2018ivc, exhibits rapidly changing light ...
On September 7, 2019, a Unistellar team flew to Oman and successfully used the eVscope to observe an occultation of the asteroid Orus for the first time. The team was responding to NASA's call to the astronomical community ...
Space Exploration
Sep 18, 2019
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58
The Kepler satellite is famous for its discovery of thousands of exoplanets by continuously and meticulously measuring the brightnesses of over half-a-million stars for the signatures of transiting exoplanets. Less well known ...
Astronomy
Sep 4, 2019
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79
The study of exoplanets has matured considerably in the last 10 years. During this time, the majority of the over 4000 exoplanets currently known were discovered. It was also during this time that the process has started ...
Astronomy
Aug 22, 2019
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199
