Are there shortcuts through space?
According to Albert Einstein’s Theory of General Relativity, it is feasible in areas of intensely strong gravity to create “wormholes” […]
What do scientists mean when they say space is curved?
Space is indeed curved — in four dimensions. Many people think the fourth dimension is simply time, and for some
What do scientists mean when they say space is curved? Read More »
How do I report seeing unusual objects in the sky?
It depends on what exactly you think you see. If you believe you have discovered a new member of a
How do I report seeing unusual objects in the sky? Read More »
Who built the first observatory?
Observatories, like so much of astronomy, are truly ancient features of human culture; retracing the steps of the first person
Who made the first map of the universe?
Maps of the stars are nearly as ancient as human culture itself; inscriptions describing the positions of stars and constellations
Are any observatories open to the public?
Many observatories around the world are at least partially accessible to the public, with some, such as McDonald Observatory in
What do astronomers do at an observatory?
Before using a research telescope, an astronomer submits a proposal detailing project goals and equipment needs for approval by a
How do modern telescopes work?
Telescopes gather light in one of two ways. Reflecting telescopes focus light with a series of mirrors, while refracting telescopes
Is Hubble Space Telescope the only telescope in space?
While Hubble Space Telescope (HST) is certainly the most famous observatory in space, it is by no means the only
Is Hubble Space Telescope the only telescope in space? Read More »
How big is the solar system?
The farthest known object orbiting our Sun is a ball of ice and rock unofficially called FarFarOut, which lies about