Astronomy and Astrophysics Forum

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Join in expert discussion on the topics of Astronomy and astrophysics. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
High School Is right ascension only measured once a year?
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High School The accelerating expansion of the universe
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High School An observer looking at Earth's past history
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High School Brown Dwarf Mass Gain: Does Radius Increase?
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High School Thank you for understanding. Have a great day!
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High School Are Deep Space Objects Still There?
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High School Are all wavelengths of light possible?
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High School What Secrets Does the Color of Space Hold and How Does Space Travel Work?
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High School What can be used to propel something in space without fuel?
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High School Why don't high mass stars expand and cool?
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High School Why will Betelgeuse go supernova?
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High School Mars Water: The Truth Behind Its Blue Color and Recent Discovery Revealed
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High School Planet Nine race, how is it going?
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High School Eta Carinae Is Farther Than You Thought: 8,500 Light-Years
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High School How Do You Determine the Sun's Coordinates?
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High School A Question Concerning Lunar Eclipses and Aristarchus's Work
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High School Neutron Star Collisions: Creation of Heavy Elements and Their Fate
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High School Saturn's Rings Appearance from Saturn?
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High School Attention: We have an important announcement from our Sun
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High School General theory of relativity&Planet orbits
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High School Discussing Sterile Neutrino Candidacy as Dark Matter
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High School NYTimes: 79 Moons of Jupiter and Counting
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High School Blazar as the Source of Cosmic Neutrinos Confirmed
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High School Known properties and constraints of dark matter
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High School The Stefan-Boltzmann Law and Sunspots
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High School What is the gravitational force like near a black hole?
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High School Why do most of the celestial bodies rotate about their axis?
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High School Equivalent gravitational forces in other galaxies
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High School Oumuamua non-gravitational acceleration
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High School Lowest possible altitude for a Satellite
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High School Please explain to me the 2d holographic universe
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High School What is the role of a non-real observer in mathematical thinking?
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High School History question -- The choice of the North Pole being up or down
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High School What Makes Red Dwarf Stars Cooler Than the Sun?
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High School What is the Speed of Light in Dark Matter?
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High School Is space is continuous or discrete?
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High School What is the speed of the Earth traveling through the cosmos?
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High School Would planets fall out of orbit when gravity has a speed?
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High School Is there a way to measure gravity in a particular area of space
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High School LIGO's Detection of Gravitational Waves: BH-BH & BH-NS Mergers
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High School Calculating Weight and mass of entire black hole
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High School Spectroscopy of Stars: Electrons in Plasma
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High School Could a Black Hole Cause a Sunrise in the West?
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High School Did Astronomers Really Think the Milky Way Was the Only Galaxy in 1900?
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High School Gravitational difference between a black hole and a star
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High School The Search for a Neutron Star or Black Hole Nearby
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High School How do scientists measure mass, radius, and distance in astronomy?
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High School Traveling to Mars and time dilation
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High School Colliding black holes effect on the Richter scale
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High School How Does the Midnight Sun Occur in the Arctic Region?
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High School Can Friction Create Preferentially Circular Orbits?
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High School Is an External Force Driving the Acceleration of Universe Expansion?
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High School Massive Football Field-Sized Asteroid Comes Close to Earth
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High School Number of stars in the universe over time
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High School Orbit circularisation/insertion spreadsheet
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High School Is the Asteroid Belt's Shape Misrepresented?
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High School What is the Earth's path in relation to the sun and the expanding universe?
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High School Is the Milky Way the same as 'The Galaxy'?
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High School Basic rule for Atmospheric Reentry of Glider Class vehicles
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High School Density of matter at a galactic center
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High School Using Venus in the Parker Solar Probe mission
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High School North and South poles of Mars are at different temperatures?
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High School HiRISE images show strange-looking Mars formations
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High School Why does the flag on the moon appear to be waving during the Apollo 13 mission?
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High School Chinese not sure where space station will land
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High School Survival on Mars: Radiation & Temperature Challenges
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High School Interplanetary travel, Arctic sea ice
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High School Extracting Spectra from Sloan Digital Sky Survey Data Releases 13 and 14
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High School Sholz's star entered the Oort cloud ~70kya
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High School Does Human Population Growth Impact Lunar Orbit?
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High School Physicist who Questioned Black Holes
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High School Third Cosmic Velocity: Will Voyagers Leave Solar System?
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High School What Is The Energy of a Point In Space?
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High School Does a partial solar eclipse never completely rise?
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High School Remembering the Legacy of Stephen Hawking on Pi Day - BBC News
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High School Life Outside Our Planet Without Oxygen and Water
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High School Spiral galaxies: Multiple axies of rotation?
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High School Massive Space Objects Have Connections to QM Math
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High School Are the profiles for reflecting/refracting spherical?
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High School Are Dark Matter Concentrations on Earth Seasonal?
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High School How large would the sun be if it were frozen?
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High School When Does a Star Form & What's Best for Life?
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High School What do I need to become an Astrophysicist?
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High School How do we measure the Spectral Energy Distribution of quasars?
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High School Conflicting thought on quasars and black holes
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High School Maximum weight of a Neutron star
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High School Could we launch spaceships from a long horizontal ramp?
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High School Why are aurora always in the vicinity of Earth's poles?
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High School Adding a huge electric charge to a black hole?
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High School Scattering of light in a strange fashion
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High School Light spectrum of planet Earth as seen from space
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High School Is blue shift as common as red shift?
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High School If the moon were a light bulb how many watts would it be.
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High School The Moon's inclination to Earth's equator
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High School Tonight's full moon and lunar eclipse
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High School How Can Astronomy Even Occur? (Oort Cloud)
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High School Can Star Wars-like asteroid storms exist?
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High School Temperature of a black hole....observed from the singularity
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High School Why does Tc & Teff Differ for Different Types of Stars?
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High School Why Do We Use Different Pairs of Filters to Determine the Temperature of Stars?
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