Travelers In The Night

915-Raining Comets

The comets we observe generally start out as icy dirty snowballs of frozen gases like water and frozen carbon dioxide in the Oort cloud. If recent scientific analysis is

404E-445-Not So Secret

A partnership of humans and computers will help to minimize the damage when asteroid hunters find a space rock with our number on it.

914-Deep Synoptic Array

Looking into the sky at night with radio eyes you would not see the points of starlight forming the constellations instead you would see a very bright, colorful and wildl

403E-444-Near Comets

Although no comet nucleus impact on the Earth has been conclusively identified, there is some evidence that suggests the 1908 Tunguska event in Russia, which knocked down

913-Moon Impact

Bill Gray is an astronomer who specializes in tracking objects in space which come near the Earth. In addition to natural objects like asteroids and comets Bill also trac

402E-443-Unsung Heroes

In 2017 observers in 50 countries at 440 different observatories made nearly 19 million observations of asteroids and comets which enable scientists to calculate where ab

912-Boston Bolide

Recently on a Saturday afternoon a loud double booming sound startled residents of Massachusetts and Rhode Island as a large bolide meteor exploded high above.  This type

401E-442-Brian's Debut

During the only 3 clears hours of his first night solo as an asteroid hunter, my new Catalina Sky Survey teammate Brian Africano discovered two new Earth approaching aste

911-Comet Brightness Explosion

Comet 220P/McNaught orbits the Sun once every 5.5 years on a path which is between Mars and Jupiter. At that extreme distance, more than 1.5 times the Earth’s distance fr

400E-441-Carson's Pair

My Catalina Sky Survey teammate Carson Fuls was observing, in the constellation Lynx, with our Schmidt telescope on Mt. Bigelow, Arizona , when within the space of only 3

910-Mega Constellations

In an experiment that will involve all of the residents of planet Earth SpaceX has asked the FCC for permission to launch 1 million satellites into low Earth orbit to cre

399E-440-Tracking Elon's Car

Elon Musk decided not to use a traditional mundane concrete block dummy payload for the first launch of the SpaceX Falcon Heavy launch vehicle to test his rockets lifting

909- 2026 JH2

My Catalina Sky Survey teammates  Josh Hogan and Alessandra Serrano were asteroid hunting in the constellation of Ursa Major when they discovered a fast moving point of l

398E-439-Big and Close

Using our Schmidt telescope on Mt. Bigelow, Arizona, my Catalina Sky Survey teammate Richard Kowalski was searching for Earth approaching asteroids in the constellation o

908-Head On

Asteroid hunters find asteroids by looking for objects which change their position relative to the stars.  If an asteroid happened to match the Earth’s motion it might ap

397E-438-Bright Darkness

Most of the humans on planet Earth have never witnessed that the natural night sky is not dark; but rather it is alive with it's own lights. To see for yourself, pick a d

907-Large and Close

My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation of Ursa Major with our small but mighty Schmidt telescope when he spotted a fast movi

396E-437-Christmas Comet

On December 25, 2017, while searching for Earth approaching asteroids in the constellation of Virgo, the Universe gave my Catalina Sky Survey teammate Greg Leonard a Chri

906-Pierazzo Lunar Crater

The visually stunning Lunar Crater Pierazzo, named for the late Planetary Scientist Elizabeth “Betty” Pierazzo was observed by the Artemis II Crew as they passed over the

395E-436-Lonely Asteroids

Most asteroids are located in the lonely space between Mars and Jupiter where the average distance between two asteroids is about 600,000 miles. Even though there is a tr