Table of Contents
- 1 Can X-rays be observed in space?
- 2 Where are X-rays found in space?
- 3 Is microwave an electromagnetic wave?
- 4 What type of location is best for a telescope?
- 5 Why does an empty paper plate not heat up in the microwave?
- 6 What is the difference between SOFIA and Sophia?
- 7 How many miles does it take to get to outer space?
- 8 Why can’t we see the Sun in X-rays?
Can X-rays be observed in space?
Many things in space give off X-rays, among them are black holes, neutron stars, binary star systems, supernova remnants, stars, the Sun, and even some comets! The Earth glows in many kinds of light, including the energetic X-ray band.
Where are X-rays found in space?
X-rays come from objects that are millions of degrees Celsius—such as pulsars, galactic supernovae remnants, and the accretion disk of black holes. From space, x-ray telescopes collect photons from a given region of the sky.
Why do x-ray telescopes have to be put above the Earth’s atmosphere?
Because of atmospheric absorption, X-ray telescopes must be carried to high altitudes by rockets or balloons or placed in orbit outside the atmosphere. Balloon-borne telescopes can detect the more penetrating (harder) X-rays, whereas those carried aloft by rockets or in satellites are used to detect softer radiation.
What temperature do celestial objects have to reach to emit mostly X-rays?
~6,000,000 degrees
For an object to emit most of its light in X-rays its temperature has to be ~6,000,000 degrees.
Is microwave an electromagnetic wave?
What is Microwave Radiation? Microwaves are a form of “electromagnetic” radiation; that is, they are waves of electrical and magnetic energy moving together through space. Electromagnetic radiation spans a broad spectrum from very long radio waves to very short gamma rays.
What type of location is best for a telescope?
Astronomers now have a new potential location to try to avoid the twinkling. Only one problem though: it’s really cold, especially this time of year. A team of astronomers from Canada, China, and Australia have identified a part of Antarctica as the ideal place to put observational telescopes.
Does the Sun give off microwaves?
A: The Sun emits light in virtually every part of the electromagnetic spectrum, albeit some more than others. The Sun also emits at longer wavelengths, in the infrared, microwave, and radio.
Is it bad to eat microwaved food everyday?
The radiation produced by microwaves isn’t dangerous, it doesn’t make your food “radioactive,” and it doesn’t destroy the nutrients in your food. Repeatedly microwaving plastic containers can cause some chemicals to leak into your food, but not in large enough amounts to affect your health.
Why does an empty paper plate not heat up in the microwave?
An empty plate won’t heat up in the microwave because it doesn’t have water and the water is heated by the microwave. Irradiance is a term used for heat radiation.
What is the difference between SOFIA and Sophia?
Sofia is simply a spelling variation of the more popular Sophia. The name Sophia comes from the Greek word “sophos” which means wisdom. Either that, or to add some cultural flair since Sofia is the more common spelling in Spanish and Portuguese-speaking countries, Scandinavia, Greece, Germany and Italy.
How much did SOFIA telescope cost?
NASA has sold that versatility as one of the big advantages of SOFIA, but it likely accounts for some of the telescope’s hefty $85 million annual price tag, too. Simply put, “It is the second-most-expensive astrophysics mission that NASA operates, behind only the Hubble Space Telescope,” Nature reports.
How far do X-rays travel?
X-rays are a form of light and can travel billions of miles if bright enough. In college I installed x-ray systems and we had to make measurements to assure the room is completely enclosed in lead shielding. We did this with an aluminum wedge and film taped to door frames, corners, and any place we thought the lead installers could make a mistake.
How many miles does it take to get to outer space?
The number of miles required to reach outer space depends on whom is asked: the space industry lists 62 miles; NASA sets the boundary at 76 miles. Others place the marker at an astronomical 13 million miles. Determining the boundary of outer space is fraught with scientific and political issues.
Why can’t we see the Sun in X-rays?
Before then, scientists knew that the Sun was an intense source in these wavebands, but had not observed other objects in the X-ray. Earth’s atmosphere absorbs most X-rays and gamma rays, so rocket flights that could lift scientific payloads above Earth’s atmosphere were needed.
What is the maximum distance a satellite can fly?
The issue of overflight rights for satellites, however, has prevented the United States from recognizing this limit. NASA uses 76 miles, the point at which space shuttles switch from thrusters to maneuvering with air surfaces when returning to earth. At 13 million miles, Earth’s gravity loses it dominance.