Sirius is gradually moving closer to the Solar System and it is expected to increase in brightness slightly over the next 60,000 years to reach a peak magnitude of −1.68. Coincidentally, at about the same …

Jan 5, 2022 · The Sirius star system comprises two stars: Sirius A (a main sequence A-type star) and Sirius B (a white dwarf). Currently, no planets have been detected within the Sirius star system.

Jun 1, 2025 · Up to now, no planets have been detected within the Sirius system. Through extensive observations using Hubble, along with historical data dating back to the 1800s, scientists have …

Nov 21, 2025 · Sirius, brightest star in the night sky, with apparent visual magnitude −1.46. It is a binary star in the constellation Canis Major. The bright component of the binary is a blue-white star 25.4 …

Aug 20, 2025 · Because Sirius is a young star, it's not likely to have planets orbiting it. TESS discovered 66 new exoplanets, according to NASA Exoplanet Exploration, but none have been discovered …

May 18, 2022 · White dwarf Sirius B has no planets that we can see, because when it became a red giant, it likely would’ve consumed any planet less than 230 million kilometers out.

If planets exist around Sirius, it may well be only planetary debris around this small companion. The results are published in the Astronomy and Astrophysics Journal.

Feb 27, 2025 · The large, bluish-white star Sirius A dominates the scene, while Sirius B is the small but very hot and blue white-dwarf star on the right. The two stars revolve around each other every 50 years.

While no planets have been confirmed in the Sirius system, the potential for smaller, yet-to-be-detected planets remains an exciting prospect.

O termo Sirius deriva do latim sīrius e do grego σείριος (seirios, "brilhante"). Sendo a principal estrela da constelação do Cão Maior, é muitas vezes apelidada de Estrela do Cão (Dog-Star, nos países …