Two nearby stars, Epsilon Eridani and Tau Ceti, both about 12 light - years away, were the candidates for Project Ozma, the first
search with a radio telescope for extraterrestrial intelligence, conducted by one of us (Drake) in 1960.
Although radio astronomy observations during the last decade showed that saturated complex organic molecules, such as methanol (CH3OH) and methyl formate (HCOOCH3)[1], exist around Solar - type protostars, their distributions were too compact to be
resolved with the radio telescopes available at the time.
That distinctive «21 centimeter» radiation can be
traced with a radio telescope even if the scope does not have enough angular resolution to resolve individual galaxies, Chang says.
Conversations with colleagues at other observatories revealed that the galaxy behaved the same way when observed in many electromagnetic wavelengths, not
just with a radio telescope.
Extremely sharp observations of the event Swift J1644
+57 with the radio telescope network EVN (European VLBI Network) have revealed a remarkably compact jet, shown here in yellow.
The astronomers used the VLBA, the NSF's Very Large Array (VLA) and the Green Bank 140 - foot telescope,
along with radio telescopes from the European VLBI Network, Australia, Japan and South Africa to record the double - star system's eruptions continuously for 56 hours.
In recent decades, astronomers
armed with radio telescopes, orbital observatories and other powerful high - tech tools have begun to answer that question.
Bond - stretching motions in the molecules» infrared spectra are too similar to parse, and many PAHs lack strong polarity, making signatures in their rotational spectra — typically
collected with radio telescopes — difficult to detect.
(Inside Science)-- After spending nearly two decades listening to the
skies with radio telescopes, astronomers have finally detected a long - sought - after and subtle signal from the early universe.
The supercomputer simulations show that on its way out of the parent galaxy, there is just enough time for some of the hot gas to cool to temperatures low enough to be
observable with radio telescopes.
It also is the first 6 - atom aromatic ring (a hexagonal array of carbon atoms bristling with hydrogen atoms) molecule ever
detected with a radio telescope.
They are located right at the boundary between the hot glowing gas that produces the visual light imaged here and the neutral gas
seen with radio telescopes.
Simultaneous worldwide observations
with radio telescopes should help theorists determine just how the black hole releases energy.
In spite of the recent detection of gravitational waves from binary black holes by LIGO, direct evidence using electromagnetic waves remains elusive and astronomers are searching for
it with radio telescopes.
It also is the first 13 - atom molecule with a 6 - atom aromatic carbon ring (a hexagonal array of carbon atoms bristling with hydrogen atoms) molecule ever detected
with a radio telescope.
78 world - leading experts in their area of astronomical research scientifically evaluated the 1,381 proposals received for Cycle 2 Early Science observations
with the radio telescope, which represent a demand of more than 7.000 hours of observation.
As these beams sweep across the sky they act like a lighthouse in space, and if these beams cross our line of sight at Earth, we can observe
this with a radio telescope, and we see a «blip» every time the star rotates.