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Astronomy Questions & Answers

Astrology vs Astronomy: What's the Difference?

The practices of astrology and astronomy have common roots, but they have evolved into two separate fields. Astronomy studies positions, motions, and properties of celestial objects. Astrology attempts to study how those positions, motions, and properties affect people and events on Earth.

Astronomy Questions & Answers

What is radio astronomy?

Radio astronomy is the study of the universe through analysis of very long-wavelength emission from celestial objects.

Solar System

One Year Until New Horizons

New Horizons will reach Pluto a year from today, and the scientific community is abuzz with speculation about what the space probe might see when it gets there. Meanwhile, the New Horizons team scours the skies for a Kuiper Belt Object that New Horizons can visit after its Pluto flyby.

Galaxies

Gas Streamer Eclipses AGN

Astronomers have detected a high-speed, long-lasting gas streamer spewing from the active galactic nucleus of NGC 5548. This discovery might provide new insights into how supermassive black holes influence their host galaxies.

People, Places, and Events

It's Star Party Season!

Whether you're a seasoned observer or a novice, star parties provide the perfect opportunity to kick back and enjoy the night sky with some fellow astronomy enthusiasts.

Black Holes

Black Hole Trio Found

Astronomers have discovered that one member of a pair of supermassive black holes is actually a pair itself, turning the system into the most distant black hole triplet yet detected and raising hopes for future discoveries.

People, Places, and Events

Govert Schilling Wins AAS's Schramm Award

Sky & Telescope contributing editor Govert Schilling has been selected as the winner of the 2014 David N. Schramm Award.

Cosmology

Shadow of a Supervoid

Scientists might have discovered the source of the mysterious Cold Spot in the Cosmic Microwave Background: an enormous supervoid.

Stellar Science

Hybrid Star Spotted in Small Magellanic Cloud

Since Thorne-Żytkow Objects were proposed forty years ago, no one has actually seen one of these exotic stellar hybrids – until now.

Spacecraft and Space Missions

Kepler: Revived and Working Again

NASA’s crippled planet-hunting spacecraft has been reworked for at least two years of productive new missions.

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