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Medium
October 28th
Questions
What is the term for the force that opposes the gravitational collapse of a star during its main sequence phase?
Which type of radiation is primarily emitted by pulsars due to their rapid rotation and strong magnetic fields?
What is the term for the phenomenon where light is redshifted as it escapes a strong gravitational field?
Which theory predicts the existence of black holes and describes their properties, such as event horizons and singularities?
What is the term for the invisible boundary around a black hole where the escape velocity equals the speed of light?
Medium
October 28th
Questions
What is the name of the process by which hydrogen atoms in a star's core combine to form helium, releasing energy in the form of light and heat?
Which term describes the region of a star where energy moves outward primarily through radiative transfer rather than convection?
What is the name of the phenomenon where charged particles from the Sun interact with Earth's magnetic field, creating auroras?
Which type of planetary system structure consists of a flat, rotating disk of gas and dust surrounding a newly formed star?
What is the term for the process by which celestial objects are pulled together due to gravity, often leading to the formation of stars or planets?
Medium
October 20th
Questions
What is the term for the region of space where a star's radiation pressure balances the gravitational pull, preventing material from escaping or collapsing further?
Which type of star is characterized by a mass less than 0.08 times that of the Sun, unable to sustain hydrogen fusion in its core?
What is the term for the theoretical remnants of the earliest stages of the universe, believed to consist of extremely dense objects?
What is the name of the process in which two neutron stars merge, often producing gravitational waves and heavy elements like gold?
Which phenomenon occurs when the outer layers of a star are ejected, leaving behind a dense core known as a white dwarf?
Medium
October 14th
Questions
What is the term for the boundary around a black hole within which all paths lead towards the singularity?
What is the name of the effect by which light from a distant source is bent around a massive object, such as a galaxy or black hole?
Which principle states that the laws of physics are the same for all observers in any inertial frame of reference?
What type of star is formed when a massive star's core collapses and becomes extremely dense, often emitting intense radiation from its magnetic poles?
What is the term for the faint glow of light that fills the universe and is a remnant of the Big Bang?
Medium
October 8th
Questions
What is the term for the mysterious form of energy that is thought to be responsible for the accelerated expansion of the universe?
Which element is most commonly produced during the process of stellar nucleosynthesis in massive stars?
What is the term for a rapidly rotating neutron star that emits beams of radiation from its poles?
What is the name of the region in space where the escape velocity exceeds the speed of light, making it impossible for anything to escape?
Which principle explains why time passes more slowly in stronger gravitational fields, as predicted by Einstein's general relativity?
Medium
August 25th
Questions
What type of particle is theorized to travel faster than light under certain conditions, challenging Einstein's theory of relativity?
Which type of celestial object is the primary source of gamma-ray bursts in the universe?
What is the term used to describe the region of space dominated by a star's solar wind, marking the boundary where the solar wind pressure balances with the interstellar medium?
Which technique uses the Doppler effect to detect exoplanets by measuring the wobble in a star's motion caused by orbiting planets?
What is the name of the phenomenon where light from a distant galaxy is focused and magnified by the gravity of a massive foreground object?
Medium
July 25th
Questions
What term describes the process by which a white dwarf in a binary system gains mass from its companion, potentially leading to a thermonuclear explosion?
Which principle explains why light bends when it passes near a massive object due to the warping of spacetime?
What is the name of the largest known structure in the universe, consisting of a massive group of galaxy clusters bound together by gravity?
What is the term for the theoretical boundary within which all matter collapses into a singular point in a black hole?
What type of star is formed after a supernova if the remaining core's mass is between approximately 1.4 and 3 solar masses?
Hard
August 16th
Questions
What is the term used to describe a compact object formed from the remnants of a massive star's core collapse, where the gravitational pull is so strong that even light cannot escape?
What is the name of the hypothetical boundary surrounding a black hole, where the escape velocity equals the speed of light?
Which physicist proposed the concept of Hawking radiation, which suggests that black holes can emit particles and gradually lose mass over time?
What is the process called when a massive star collapses under its own gravity and releases an intense burst of energy in the form of a powerful beam of electromagnetic radiation?
Which phenomenon occurs when a star, nearing the end of its life, undergoes a rapid increase in brightness, becoming temporarily much brighter than its normal luminosity?
Medium
August 9th
Questions
What is the name of the boundary around a black hole beyond which nothing can escape?
What is the process by which a star explodes at the end of its life, scattering its outer layers into space?
Which famous physicist proposed the theory of general relativity and predicted the existence of black holes?
Medium
August 9th
Questions
What is the phenomenon where a massive star collapses under its own gravity, causing a violent explosion called?
What is the term used to describe the study of the properties, behavior, and interaction of celestial bodies and the physical laws governing them?
Which astronomical object is formed from the remnants of a massive star's core collapse and has a gravitational pull so strong that nothing can escape it?
Medium
August 9th
Questions
What is the process by which stars convert hydrogen into helium through nuclear fusion called?
What is the term used to describe a region in space where gravity is so intense that nothing, not even light, can escape?
Which type of electromagnetic radiation has the shortest wavelength?
Medium
August 9th
Questions
What is the study of the origin and evolution of the universe called?
What is the name of the phenomenon where a massive star collapses under its own gravity, causing a violent explosion?
Which famous astronomer proposed the theory of general relativity and predicted the existence of black holes?
Medium
August 7th
Questions
What is the term used to describe the explosion of a massive star, resulting in an extremely bright object that can outshine an entire galaxy?
Which theoretical astrophysical object is formed from the remnants of a massive star's core collapse and has a gravitational pull so strong that nothing can escape it?
What is the term used to describe the bending of light rays as they pass through a medium with varying refractive index, such as the Earth's atmosphere?
