quasar sentence examples

• Several strong candidates for type 2, or obscured quasars have been discovered.
• Most types of cosmic object known to exist, from dwarf stars to the most distant quasars, are known to emit x-rays.
• Quasar absorption lines.
• The low and high redshift quasars are found very similar in their emission characteristics, although differences exist.
• Quasar currently known.
• It is a suggestive coincidence that the space density of bright optical quasars also reached a peak sometime around z = 2-3.
• Quasar absorption lines.
• Almost one quarter of these are members of a previously unknown class of x-ray bright, flat spectrum, radio-loud quasars.
• Finding the powerful quasars responsible for the x-ray background radiation.
• The low and high redshift quasars are found very similar in their emission characteristics, although differences exist.
• Quasar surveys and more recently the discovery of over 20 planets around other stars.
• Some astronomers supported this point of view, and have sought evidence for physical associations between high-redshift quasars and low-redshift normal galaxies.
• The total number of rosat detected radio quasars from the above three sources is 654 objects.
• In several quasars, small, discrete sources have been found that change position from one observation to the next.
• Quasar activity early in the history of the universe.
• The total number of rosat detected radio quasars from the above three sources is 654 objects.
• Further evidence comes from astronomical observation - astronomers look into the past when they look into space and have been measuring and observing quasars.
• At a distance of 1 billion light-years, mrk 205 is a relatively nearby quasar.
• Hi can be studied in absorption against background quasars out to z 4 with the hia.
• The objects called quasars are very strong point like radio sources, which can, like all radio objects, be detected in daylight.

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