me and my friends likes to stargaze at night and every time we see this star like light that glides in one direction. they sometimes even cross in the middle then disappear sometime. i observed that it cant be seen if its too dark. we wondered what it could possibly be, we even make jokes that it was an alien craft that monitors our actions. we even nicknamed it "the fifth wave"(after the movie The Fifth Wave). its just something to wonder upon, really, but if you have something to share i'd be willing to read it and share it with my friends.
Generally, these will be low orbit satellites. They are visible when still lit by the sun (visible over the horizon from behind the edge of Earth at their altitude) and they disappear when the enter Earth shadow ("night") and are no longer highlit by the sun. Obviously, that happens only during evening and dawn - in the middle of the night they are in full shadow.
Starlight is the light emitted by stars.  It typically refers to visible electromagnetic radiation from stars other than the Sun, observable from Earth at night, although a component of starlight is observable from Earth during daytime.
Sunlight is the term used for the Sun's starlight observed during daytime. During nighttime, albedo describes solar reflections from other Solar System objects, including moonlight, planetshine, and zodiacal light.
Stargazing: This month’s night sky
We are halfway through 2021, and as we head into June the days are getting noticeably longer. Here in the northern hemisphere we lose our darkest night skies to astronomical twilight, as the sun isn’t dipping as low below the horizon which may make it harder to see some of the fainter stars and objects. Luckily, there is still plenty to see so make sure to take advantage of the (hopefully) warmer evenings for more comfortable viewing conditions.
The Summer Solstice
One of the main events happening this month is the “June” or the “summer” solstice. This occurs at around the same time each year. This year, the summer solstice falls on the 21st of June and marks the “longest day” and “shortest night” in the northern hemisphere. The Sun will rise around 04:43 in the northwest and set about 21:44 giving us around 17 hours of daylight to enjoy!
The solstice happens because of the Earth’s tilt. The Earth’s axis is tilted slightly, at around 23 degrees, which means that as the Earth moves around the Sun, for half of the year the northern hemisphere of the planet is leaning slightly towards the Sun, and the southern hemisphere is leaning slightly away. The moment the northern hemisphere is tilted most towards the Sun, we have our summer solstice – whereas the southern hemisphere experiences its winter solstice.
June Solstice: The northern hemisphere is at its greatest tilt towards the Sun. The 21st of June marks the longest day and the start of astronomical summer.
Annular Solar Eclipse
In a solar eclipse, the Moon will pass in front of the Sun and block out some of its light. There are three types of solar eclipse: total, partial and annular. During a total eclipse, the Moon blocks out almost all of the Sun’s light, leaving behind only a faint ring of, called the corona (the Sun’s atmosphere), which is usually too difficult to see. This occurs because the Moon is around 400 times smaller than the Sun, but also happens to be about 400 times closer.
During a partial eclipse, the Moon crosses the Sun off centre, leaving behind a crescent shaped portion of the Sun still visible.
In an annular eclipse, the Moon is too far away from the Earth to cover the Sun completely so that the edge of the Sun is visible around the whole edge of the Moon.
The three types of solar eclipse: total (in which just the Sun’s atmosphere is visible), partial (where the Moon covers all but a crescent shaped portion of the Sun) and annular (the Moon is not far away enough from the Earth to cover the sun completely). An annular eclipse will be visible to northern latitudes on the 10th of June 2021).
This month, an Annular solar eclipse will be best seen across the north of Canada, Greenland and Russia on the 10th of June 2021 – a partial eclipse may be visible from much of northern Europe (including the UK), Asia and the US weather permitting. Click here to find out the best time to see it at your location.
Remember: it is very dangerous to look at the Sun directly, even during an eclipse (or wearing sunglasses)! Part of the Sun’s surface will still be visible. Use extreme caution, and make sure to never look directly at the Sun. A pinhole viewer can be easily made to view the eclipse, using two pieces of card or paper.
Saturn and Jupiter: Towards the end of this month, Jupiter and Saturn (on the right) may be visible towards the South East from around 1am (BST) heading into the early hours of the morning. If you have a telescope, keep an eye out for Jupiter’s largest moons throughout June.
Venus: Venus is best viewed as an evening planet in the West, setting below the horizon about 90 minutes after sunset.
The lighter night skies make star and planet spotting more difficult, so for better views try looking around when the moon is new or less bright in the sky.
Early in the month is a good time to catch a last glimpse of Regulus, the brightest star in the constellation Leo before it disappears below the horizon. Leo can be found by looking for a backwards question mark (or Sickle shape) in the western sky, above the horizon after around 11pm (BST). Regulus is a blue-white star and sits at the bottom of the backwards question mark pattern. It represents the heart of Leo, the Nemean Lion of Greek mythology that was killed by Heracles (Hercules to the Romans) during one of his twelve labours.
Looking west we see the constellation of Leo, home to the bright blue-white star Regulus. Regulus and Leo can both be identified by looking for the shape of a sickle or backwards question mark in the sky.
The constellation of Leo the Lion with the constellation of Sextans the Sextant on the lower left. Facing West at 11:30pm 07/06/2021.
The star Deneb can be seen by looking east, above the horizon, later in the month. Deneb is one of three bright stars in the summer sky that make up an asterism (a pattern of stars that not a constellation) known the “Summer Triangle”. The other two points of the triangle are the stars Vega (in the constellation of Lyra) and Altair (in the constellation of Aquila).
Deneb sits in the constellation of Cygnus, the Swan. Find Cygnus by looking for five stars in the shape of a cross known as the “Northern Cross”. The Northern Cross makes up the backbone of Cygnus and at the tail of the swan sits Deneb.
The red lines mark the Northern Cross asterism, a smaller pattern of stars within the constellation of Cygnus. Looking directly upwards, 23:50 (BST) on the 25/05/2021
On clear nights, have a go at spotting the International Space Station! You can find out when your best chance of spotting the ISS from your location by checking out this page
On the 3rd of June, NASA and Space X will be hoping to launch a cargo resupply mission from the Kennedy Space Centre in Florida. Find out more about this launch and resupply missions here
Whether you are watching the skies from your back garden or discovering your nearest dark sky site, remember to stay safe and warm and to give your eyes plenty of time to adjust to the darkness to see the faintest objects! Happy gazing!
Happy Stargazing! #WatchTheSkies
Now on sale in the Jodrell Bank Gift Shop:
Collins 2021 Guide to the Night Sky
A month-by-month guide to exploring the skies above Britain and Ireland
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Star like lights at night - Astronomy
The following images are designed to demonstrate the night sky as seen when looking in the appropriate direction during a given season. By moving the mouse over the image, constellation drawings will appear. Sometimes it can be difficult to trace out a constellation without seeing an example because of several factors to include: light pollution, changes in position due to season changes, size differences from star charts to real size, and unfamiliarity. Hopefully this guide will help change this.
Please be patient as the design of this page downloads the images so the mouse-over and larger images will appear faster when accessing each image.
These images constitute the northern hemisphere as seen from San Francisco, California. Click on the image to view a larger size. You may notice right away the band of stars in some of these images. This is our Milky Way galaxy, and such a dramatic view is not possible in real life however, if observing far away from city lights this band is visible - the darker the location, the more dramatic the band.
All images are from Starry Night, version 4.5.
Long Line (10-15) Evenly Spaced Star-Like Lights.
Description: My wife and I saw a long line (10 to 15) of evenly spaced (white, star-like) lights moving in a north-to-south direction across the night sky. They moved at a constant rate of speed (medium-speed/ observable). There was no variation in distance or line of movement from preceding or following light observed. They definitely showed a coordinated/uniform/steady movement. Last light in line they passed overhead at approximately 9:33 PM and disappeared behind clouds. The moon was a waning crescent. Both my wife and I witnessed this event while walking our dog.
Note: The witnesses were likely viewing Star-Link communication satellites.
Note to Commenters: If you are reporting a sighting, be sure to include the location (city, state, country), date and time of your sighting. Be detailed in your description. You may also use our report form to report your sighting. Comments will only be published if they are in "good taste" and not inflammatory. Also the name that you list in the comment will be posted. Use abbreviations or aliases if you don't want your name listed.
10 Spectacular Parks for Stargazing
National parks offer some of the darkest skies in the country.
If you have trouble seeing the stars from where you live, you’re not alone. Urban areas have become so bright that more than 80 percent of the U.S. population can no longer see the Milky Way from their front door. The National Park Service has its own Night Sky Team to help protect this diminishing resource.
Find a spot to enjoy the Perseid meteor shower next week, or a plan an awe-inspiring trip during the darker months for a glimpse of how the heavens looked before the dawn of electric light.
1. Natural Bridges National Monument, Utah
In 2007, the International Dark-Sky Association named Natural Bridges the first international dark-sky park in the world. This prestigious distinction recognizes the park’s world-class stargazing opportunities as well as its commitment to preserving the darkness through educational programs and responsible outdoor lighting. Enjoy spectacular night skies through the monument’s sandstone arches and rock formations—in some places, visitors may see up to 15,000 stars in a single night. Astronomy programs are presented at the visitor center on Wednesday and Thursday nights through October.
In the Sky This Month
The Summer Triangle climbs into full view by nightfall during June. It’s in the east and northeast in early evening, with the brilliant star Vega at the top of the triangle, Deneb marking its left point, and Altair at the lower right. The most prominent constellations of summer, Scorpius and Sagittarius, rise later.
June 26: Moon and Saturn
The planet Saturn is close to the upper left of the Moon as they climb into good view, by midnight. It looks like a bright star. Saturn’s biggest moon, Titan, is visible through good binoculars or a telescope, shining like a tiny star next to the giant planet.
June 27: Moon and Planets
The Moon will form a wide triangle with Jupiter and Saturn tonight. The trio will climb into view after midnight and stand high in the south at first light. Jupiter is the brighter planet, to the left of the Moon, with Saturn to the upper right of the Moon.
June 28: Moon and Jupiter
The brilliant planet Jupiter leads the Moon across the sky late tonight. It stands above the Moon as they climb into good view, after midnight, and to the upper right of the Moon at dawn.
June 29: Delphinus
Small but pretty Delphinus, the dolphin, glides high across the sky on summer nights. You need dark skies to see it. It is due east at nightfall, to the lower right of the bright star Altair. It swims alongside the faint glow of the Milky Way.
June 30: Renegade Stars
The stars at opposite ends of the Big Dipper are described as renegades. While the dipper’s other stars move through the galaxy together, the stars at the ends go their own ways. In 50,000 years, that will destroy the dipper’s shape.
July 1: Night Lights
The Moon will reach last quarter today, three-quarters of the way through its month-long cycle of phases. Sunlight will illuminate half of the lunar hemisphere that faces Earth.
July 2: Venus and Companions
Venus is the brilliant Evening Star, low in the west-northwest at sunset. Skywatchers south of about Dallas should also be able to make out the planet Mars and the Beehive star cluster near Venus, especially with binoculars.
Last June 2, 2:24 am
New June 10, 5:53 am
First June 17, 10:54 pm
Full June 24, 1:40 pm
Times are U.S. Central Time.
Apogee June 7
Perigee June 23
The full Moon of June is known as the Flower Moon, Strawberry Moon, Rose Moon, or Honey Moon.
During the day, explore North America’s tallest sand dunes at this Colorado national park before turning your eyes to the sky after sunset for an exceptional nighttime view. The park’s dry air and high elevation combined with little light pollution make it an ideal place to see the stars.
Glacier National Park in Montana is one of the most beautiful national parks in the country, known for the rugged Rocky Mountains and pristine lakes. Stay overnight at one of the many Glacier National Park campgrounds and enjoy beautiful nighttime views.
2 planets to light up night like a starA statue of a Kansa Indian stands atop the Kansas Statehouse in Topeka as Saturn (top) and Jupiter (below) are seen Saturday, Dec. 19, 2020. The two planets are drawing closer to each other in the sky as they head toward a "great conjunction" on Monday, Dec. 21, where the two giant planets will appear a tenth of a degree apart.
The astronomical event that guided the three wise men will appear in the night sky Monday for the first time in about 800 years -- at least that is what the name of it implies.
The "Christmas Star" as some have dubbed it, is not a star but rather the conjunction of the solar system's two largest planets -- Jupiter and Saturn. The two gas giants will be the closest they have been to each other in about 400 years and will be visible for the first time in the night sky in roughly 800 years.
The planets will appear to be so close together they may look like a big, bright star in the night sky.
"It helps put the thing into perspective sometimes," said Darrell Heath, the outreach coordinator for the Central Arkansas Astronomical Society. "Just by engaging in science, it can help people think, I guess, in more critical ways than they might otherwise."
Since the conjunction is happening Dec. 21, just before Christmas, some have dubbed it the "Christmas Star." There are several theories as to what the Star of Bethlehem from the Bible was, with some believing it could have been a conjunction of two planets like the one happening this week or, perhaps, a supernova.
While the orbits of Jupiter and Saturn cross paths about every 20 years, the appearance of the Jupiter and Saturn conjunction is made possible thanks to a series of rare factors.
"Each of the planets does have a little tilt in the axis of its orbit with respect to the other planets," said Daniel Kennefick, a physicist at the University of Arkansas, Fayetteville. "And it just so happens that for them to line up perfectly -- the tilt in our orbit and the tilt in the other two planets' orbits have to line up perfect."
The planets will be at their closest on Monday, but anyone with a view of the night sky can watch the planets gradually move closer each night.
To get a look at the Christmas Star requires an unobstructed view of the southwest horizon. In Arkansas, it will be just above the horizon right after sunset around 5 p.m. Monday. The star will be visible in the sky for about an hour before it dips below the horizon.
Jupiter will appear to be the brightest "star" in the sky over the southwest horizon, and Saturn will appear next to it on the left side.
If the weather is clear, stargazers should be able to view the conjunction with the naked eye, but it will help to have binoculars or a telescope, Heath said. With a telescope, it may be possible to make out the stripes on Jupiter and Saturn's rings.
"It's interesting that you get both of these objects together in a single field of view with the eyepiece of a telescope," Heath said. "That's not something you often get -- two planets for one view."
However, Dec. 21 is not the only night the planets will be visible. Each night, the planets appear to move nearer to each other, including tonight when they will be close.
On Monday, they will be at their closest at just a tenth of a degree apart.
After Monday, the planets will gradually appear to drift apart gradually.
While being in a dark place is preferable, light pollution should not prevent viewers from seeing the "Christmas Star," as it will be one of the brightest things in the night sky.
Anyone looking to take a photo of the conjunction don't need a special camera -- a cellphone will do.
For scientists, there isn't much mystery about what will be happening in the night sky on Monday, Kennefick said, but that doesn't mean there isn't any excitement around it.
For centuries, astronomers have been able to calculate the movement of the planets and other celestial bodies. Renaissance scientists such as Johannes Kepler and Nicolaus Copernicus helped made their breakthroughs by trying to predict astronomical events like the "Christmas Star."
"So it was the impetus to try to get those right, which really, arguably, gave birth to modern science," Kennefick said.
Given the two planets' distance from the sun, it takes Jupiter about 12 years and Saturn 29 years to revolve around the Sun. The orbits of Jupiter and Saturn cross every 20 years, but this year's conjunction is the closest the planets will appear to each other in centuries.
For stargazers and scientists alike, they hope the public can take some lessons from it.
"The sky is something that we all share, and it is something that young people can see," Kennefick said. "While we can't touch it, we can see it, and it means something to us in a way that talking about other certain aspects of science can be a little alienating."