Top Results for Hot Central Star

Cygnus X-1 denotes an X-ray binary system in the constellation Cygnus, rather than a single ordinary star. It pairs the blue supergiant HDE 226868 with a stellar-mass black hole. Matter from the supergiant's stellar wind is captured by the compact companion and forms an accretion flow, where the inf...

Along the Moskva River, Moscow combines its role as Russia's capital with the scale and variety of a major metropolis. It is a federal city and the national seat of government, with the Kremlin and Red Square forming a recognizable historic center. Beyond these landmarks, its streets and neighborhoo...

A café cortado is a traditional Spanish espresso beverage consisting of a single shot of espresso cut with a small amount of warm, steamed milk. The typical ratio is roughly half espresso and half milk, served in a small glass or cup. Unlike a latte or cappuccino, the milk is not heavily textured in...

In the constellation Virgo, PSR B1257+12 is a millisecond pulsar, a rapidly rotating neutron star whose radiation reaches Earth as a repeating series of pulses. Those signals provide an unusually precise way to investigate its surroundings. Small changes in their arrival times can reveal the star's...

V645 Centauri is an M-type red dwarf star located within the Alpha Centauri system, approximately 4.37 light-years from Earth. It’s notable for frequent flares—sudden bursts of energy—characteristic of many red dwarfs. This proximity makes it a subject of interest for astronomers studying stellar va...

TRAPPIST-1 is an ultra-cool dwarf star located approximately 40 light-years from Earth. It’s notable for hosting a system of seven small, rocky planets. These planets, primarily orbiting within the habitable zone, are of interest to astronomers studying potential conditions suitable for liquid water...

Alpha Centauri A is a G-type main-sequence star located in the Alpha Centauri system, approximately 4.37 light-years from Earth. As the larger component of this binary star system, it closely resembles our Sun in terms of size and spectral type. This makes it a significant subject for astronomical r...

Proxima Centauri is a red dwarf star located just over four light-years away, making it our nearest stellar neighbor. It’s notable for being the host of Proxima Centauri b, an exoplanet within the habitable zone of its system. This makes it a key target for astronomers studying potentially habitable...

Eta Carinae is an exceptionally large and volatile star located within the Carina Nebula. It’s notable for its dramatic past eruptions, including a significant outburst in the 1840s that reshaped its appearance. As a luminous blue variable, it exhibits intense fluctuations in brightness. Scientists...

Delta Cephei is a bright supergiant star within the Cepheus constellation. It’s notable as the original prototype for Cepheid variable stars, identified by John Goodricke in 1784. Its consistent brightness fluctuations are crucial for astronomers to determine distances across vast stretches of space...

Near the north celestial pole in Ursa Minor, Polaris serves as the current North Star. Its position makes it appear almost stationary as other stars trace circles around the sky, providing a practical reference for direction in the Northern Hemisphere. It is close to the pole rather than exactly on...

The reddish star marking Orion's shoulder, Betelgeuse is a massive red supergiant at an advanced stage of stellar evolution. Its enormous size and changing brightness make it a valuable subject for studies of aging stars. Variations in its visible light can involve processes in its extended atmosphe...

Rigel marks one of Orion's feet as a bright blue supergiant, with the hot primary star belonging to spectral class B. Its great intrinsic luminosity helps make it one of the prominent stars in Earth's night sky despite a distance commonly estimated at roughly 860 light-years. Distance estimates carr...

A bright blue-white point in the constellation Lyra, Vega is an A-type main-sequence star approximately 25 light-years from Earth. It forms one corner of the Summer Triangle, an asterism that helps observers recognize the northern summer sky. The gradual change in the direction of Earth's rotational...

Arcturus is a prominent K-type giant star located in the constellation Boötes. It’s notable for being the brightest star visible in the northern sky and situated relatively close to our solar system at approximately 37 light-years away. Astronomers and amateur stargazers find it particularly useful...

Seen in Canis Major, Sirius is the brightest star in Earth's night sky by apparent brightness. That distinction concerns how bright it looks from Earth, rather than how much light it produces compared with every other star. The system contains Sirius A, a white A-type main-sequence star, and Sirius...

At the center of the Solar System, the Sun is a G-type main-sequence star and the closest star to Earth. It is often described as a yellow dwarf, although its light appears white when viewed without the effects of Earth's atmosphere. Nuclear fusion in its core supplies the energy that eventually eme...

Covering approximately 2.3 million square kilometers, the Arabian Desert occupies much of the Arabian Peninsula in Western Asia and extends across several countries. Extreme daytime heat and limited rainfall constrain vegetation, while extensive dunes alternate with other forms of dry terrain. Some...

Stretching across North Africa from the Atlantic Ocean to the Red Sea, the Sahara covers approximately 9.2 million square kilometers across eleven countries. It is the world's largest hot desert. Sand dunes form only part of its terrain, with gravel plains and rocky plateaus occupying extensive area...

Hoi An's ancient town preserves the character of a former trading port in central Vietnam. Its architecture reflects contact between local communities and overseas merchants, including Chinese and Japanese influences alongside European connections. UNESCO recognises the historic town for its preserv...

In Australian and New Zealand coffee terminology, a short black generally means a single espresso served in a small cup with no added milk or water. That distinguishes it from a long black, which combines espresso with hot water. The drink is small in volume but concentrated, so its character comes...

Marie Sharp's Hot Habanero Pepper Sauce is a Belizean hot sauce manufactured from locally grown habanero peppers. The condiment utilizes a distinctive base of carrots, onions, and garlic, which helps to balance the intense heat of the peppers with a slightly sweet flavor profile. Categorized under t...

51 Pegasi is a G-type main-sequence star located approximately 50 light-years from Earth within the Pegasus constellation. It gained prominence as the first host star of an exoplanet discovered orbiting a Sun-like star. The discovery by Mayor and Queloz in 1995 revolutionized planetary science and d...

Canopus is a massive, white-yellow supergiant star located in the Carina constellation. It’s notable for being the second brightest celestial object visible from Earth. Historically, navigators utilized Canopus as a key navigational reference point, particularly for spacecraft due to its consistent...

PSR B1919+21 is a radio pulsar in the constellation Vulpecula and is understood to be a rotating neutron star. Jocelyn Bell Burnell detected its regular radio pulses in 1967 while working with a radio telescope at Cambridge, and Antony Hewish led the group that reported the discovery. Originally des...

Berbere is a foundational spice blend of Ethiopian and Eritrean cuisine, combining dried red chili peppers with fenugreek, ginger, garlic, korarima (Ethiopian cardamom), rue, ajwain, and other aromatics. Recipes vary substantially by region and household but consistently produce a deep red color and...

Sirius B is a dense white dwarf star orbiting within the Sirius system of Canis Major. It represents the remnant core of a once-massive star that exhausted its nuclear fuel. This object’s extreme density—a sun's mass packed into Earth-sized volume—makes it a valuable subject for astronomical researc...

Algol is a binary star system notable for its predictable dimming due to an eclipsing orbit. The primary and secondary stars regularly pass in front of each other from our perspective, causing fluctuations in brightness. This behavior was one of the first astronomical phenomena to be explained throu...

Aldebaran is a red giant star located in the constellation Taurus approximately 65 light-years from Earth. As the brightest star within Taurus, it’s a prominent navigational aid and has been historically significant to cultures observing the night sky. Its classification as a K-type star indicates i...