Travelers In The Night
চ্যানেল বিস্তারিত
Travelers In The Night
A real "Science Snack" for anyone who is interested in the extraterrestrial.Dr. Al Grauer is a member of the Catalina Sky Survey which has led the world in near Earth asteroid discoveries for 17 of the past 19 years.The music is "Eternity" by John Lyell.Astronomy Asteroids Space NASA Comets Earth...
সাম্প্রতিক এপিসোড
1039 টি এপিসোড
374E-408-Earth's Pet Rock
On it's gravitational leash, Earth's pet space rock, 2016 HO3, accompanies us at a distance of between 38 and 100 times the Moon's distance from Earth...
884-Turkeys and Asteroids
Since in its early history the Earth’s surface was hot and lifeless it is likely that asteroids formed in the same era as Bennu delivered the raw mate...
373E-407-Plant Companionship
On Earth, human life is enabled by plants which provide us with calories, vitamins, fuel, medicines, and oxygen to breathe. In addition, recent scient...
883-Theia
In the distant past things in our solar system were very much more wild and violent than they are today. 4.5 billion years ago a Mars sized object cal...
372E-406-Close Ones
In less than 24 hours, while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona , I discovered two 25 foot diameter spa...
882-David’s Goliath PHA
My Catalina Sky Survey teammate David Rankin was asteroid hunting in the evening twilight with our 60 inch telescope on Mt. Lemmon Arizona when he spo...
371E-405-Kiwi Nights
New Zealand's 4.5 million people are concentrated in three major population centers which to various degrees suffer from the modern plague of light po...
881-Dangerous Comets
It is possible the object creating the Tunguska event in Russia 1908 which knocked down 80 million trees over an area about twice the size of New York...
370E-403-Double Comet
In November of 2006, University of Arizona's Spacewatch astronomers on Kitt Peak discovered a faint moving point of light in the night sky which appea...
882-David’s Goliath PHA
My Catalina Sky Survey teammate David Rankin was asteroid hunting in the evening twilight with our 60 inch telescope on Mt. Lemmon Arizona when he spo...
369E-401-Night Vision
Many people in our modern world rarely if ever experience night vision. To achieve this interesting state of sensory awareness you cannot look at your...
881-Dangerous Comets
It is possible the object creating the Tunguska event in Russia 1908 which knocked down 80 million trees over an area about twice the size of New York...
368E-400-Roving Venus
Venus and Earth are similar in size, composition, density, and mass. Unfortunately, our sister planet Venus is an example of a place where green house...
880-Carrington Anticipated
Just before noon on September 1st of 1859 Richard Carrington and Richard Hodgson were making sketches of clusters of sunspots when they were nearly bl...
367E-399-Moons of Florence
Dr Lance Benner of NASA's Jet Propulsion Laboratory headed up a team of scientists who used the 70 meter antenna at NASA's Goldstone Deep Space Commun...
879-Lurking Asteroid
The Dark Energy Camera on the National Science Foundation’s Blanco 4-meter telescope on Cerro Tololo in Chile is taking near Sun twilight images to se...
366E-398-Mars Rocks
At about 2AM on July 18, 2011 several people in near Tata, Morocco saw a bright fireball which was described by one of them to be initially yellow, th...
878-Comet Fragment
My Catalina Sky Survey teammate Vivian Carvajal was asteroid hunting in the constellation of Eridanus with the 90 inch, University of Arizona’s Bok te...
365E-397-Spotting Meteors
Meteors, shooting stars, or falling stars are different names for the streaks of light in the night sky which are in reality the dying embers of tiny...
877-Close Grazer
On a busy night of asteroid hunting with the 90 inch, University of Arizona’s Steward Observatory Bok telescope on Kitt Peak in Arizona, my Catalina S...
364E-396-Jupiter
Jupiter has been observed throughout human history and is so bright that you can even spot it under the artificial light dome of one of our cities. Ev...
876-Neighborhood Traffic - 9:28:25, 6.28 PM
In a recent 60 day period asteroid hunters tracked 24 space rocks which came closer than our Moon. My team the University of Arizona’s Catalina Sky Su...
363E-395-House Sized Space Rocks
Throughout history small close approaching space rocks have been a part of our environment. Now, thanks to improved telescopes and cameras, asteroid h...
875-Newly Discovered Crater - 9:28:25, 6.13 PM
Dr Uisdean Nicholson from Heriot-Watt University and his team of 9 co-authors analyze 3D seismic imaging and drill cuttings from a 1980s oil well to m...
362E-394-Tiny Beasts
Humans have a long history of partnerships with a variety of micro organisms. Although the proportions vary widely with individuals, recent scientific...
874-Good night at Bok
On a recent clear night my Catalina Sky Survey teammate Hannes Groller was asteroid hunting with the Steward Observatory 90 inch Bok telescope on Kitt...
361E-393-Newest Moon
The moon cycle from new moon through full moon and back to new moon again was used by many nations to regulate their activities and forms the basis of...
873-Tracking 3I/Atlas
Scientists are using many approaches to understanding the nature and history of 3I/Atlas the third known interstellar traveler in the night. At a hype...
360E-391-Finding Spacerocks
Finding a meteorite that has traveled billions of miles through space to reach it's present location is exciting. It might even be worth real money.
872-Climate Ignored
Obtaining accurate data on the Earth’s climate and how it is changing is vital to inform agriculture , insurance risks, business planning, disaster pr...
359E-390-One in 100,000
Friday the 13th appears to continue to be a lucky day for the human race. When astronomers first discovered Apophis in 2004 it appeared possible that...
871-New Mars Trojan
The Lagrange point L4 is 60° ahead of Mars whereas L5 is 60° behind Mars on the red planet’s orbital path about the Sun. An object placed at either of...
358E-389-Tiny Spacecraft
To reach the vicinity of the nearest star, 24 trillion miles away, in less than 20 years, an interstellar space probe would have to travel at a substa...
870-Satellite Ashes
50 years ago scientists found that Chlorofluorocarbons or CFC chemicals in widespread use in refrigeration, air conditioning , and hair spray were beg...
357E-388-40 years
Looking at the stars on a clear dark night, far from the artificial air glow humanity creates, have you ever wondered what it would be like to travel...
869-Taurid Resonant Swarm
The planets, millions of asteroids, tens of thousands of comets, distant icy worlds, and countless other bits and pieces of material orbit the Sun. A...
356E-386-Interplanetary Sand Traps
When the Japanese spacecraft Hayabusa [Hi ya Boo sa] visited the near Earth asteroid Itokawa in 2005 it found this 2000 foot by 800 foot elliptical wo...
868-Inside Venus
Astronomers have discovered some 1.4 million asteroids. Approximately 35,000 of these space rocks come near Earth. Less than 40 of them are classifi...
355E-383-Moon Water
The lunar roving, battery powered, 4 wheel drive "Moon Buggy" allowed astronauts on Apollo 15, 16, and 17 to travel 8 mph on the lunar surface with a...
867-Daytime Fireball
Dr. Bill Cooke of NASA’s Meteoroid Environment Office reports that on June 26, 2025 shortly after noon a beachball sized meteoroid traveling at approx...