Search found 3942 matches

by BMAONE23
Tue May 31, 2016 5:39 am
Forum: Open Space: Discuss Anything
Topic: Timing of Mars Space Probe Launches
Replies: 21
Views: 3651

Re: Timing of Mars Space Probe Launches

When the Mars Global Surveyor reached it's destination it was traveling approximately 5KPS faster than Mars' relative velocity. To achieve orbit insertion and be successfully captured by Mars' Gravity Well the orbiter needed to shed about 1KPS of speed which required sufficient fuel for a 20 to 25 ...
by BMAONE23
Mon May 30, 2016 5:43 pm
Forum: Open Space: Discuss Anything
Topic: Timing of Mars Space Probe Launches
Replies: 21
Views: 3651

Re: Timing of Mars Space Probe Launches

Got it. Mars is traveling through space at a little over 24KPS. So when the MGS arrived at a speed of 5KPS, while it was traveling significantly slower than Mars' solar orbit, it was traveling faster than Mars escape velocity and as such needed to reduce speed to 4KPS to ensure orbital insertion. So...
by BMAONE23
Sun May 29, 2016 3:40 am
Forum: Open Space: Discuss Anything
Topic: Timing of Mars Space Probe Launches
Replies: 21
Views: 3651

Re: Timing of Mars Space Probe Launches

When the Mars Global Surveyor reached it's destination it was traveling approximately 5KPS faster than Mars' relative velocity. To achieve orbit insertion and be successfully captured by Mars' Gravity Well the orbiter needed to shed about 1KPS of speed which required sufficient fuel for a 20 to 25 m...
by BMAONE23
Thu May 26, 2016 5:13 pm
Forum: Open Space: Discuss Anything
Topic: Pets
Replies: 457
Views: 734298

Re: Pets

Kind of like Cal Worthington and his dog spot
Click to play embedded YouTube video.
by BMAONE23
Tue May 24, 2016 5:36 am
Forum: The Communications Center: Breaking Science News
Topic: HEAPOW: Bert, Ernie and Big Bird (2016 May 23)
Replies: 1
Views: 376

Re: HEAPOW: Bert, Ernie and Big Bird (2016 May 23)

Looks more like Mr. DNA from Jurassic Park
by BMAONE23
Mon May 23, 2016 5:18 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Inside a Daya Bay Antineutrino Detector (2016 May 23)
Replies: 24
Views: 18437

Re: APOD: Inside a Daya Bay Antineutrino Detector (2016 May 23)

ygmarchi wrote:It was copied from a sci-fi movie, I just can't recall which.
There was a similar device (Same??) used in the movie 2012 as an indicator that the Sun was about to catastrophically alter the EARTH
by BMAONE23
Thu May 19, 2016 5:07 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: Where New Horizons is
Replies: 606
Views: 520042

Re: Post-Pluto Object

There is also an apparent object displaying motion in the opposite direction at the 3:00 position. It covers about 1/5th the distance in the opposite direction and is only just visible at the edge of the field of view in the second image
by BMAONE23
Thu May 19, 2016 5:02 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The Surface of Europa (2016 May 19)
Replies: 24
Views: 5560

Re: APOD: The Surface of Europa (2016 May 19)

definitely a place that I would like to see a Curiosity style rover examining
by BMAONE23
Thu May 12, 2016 11:56 pm
Forum: The Communications Center: Breaking Science News
Topic: Dwarf Planet (225088) 2007 OR10
Replies: 4
Views: 1206

Re: Dwarf Planet (225088) 2007 OR10

Wonder if Snow White has seven little moons in orbit :mrgreen:
by BMAONE23
Thu May 12, 2016 5:55 am
Forum: The Communications Center: Breaking Science News
Topic: Subaru/IPMU: Deepest Galaxy Map Finds Einstein's Theory Stands True
Replies: 5
Views: 1508

Re: Subaru/IPMU: Deepest Galaxy Map Finds Einstein's Theory Stands True

Interesting but kind of puzzling. According to the Planck spacecraft, the latest estimated age of the universe is 13.82B years. Assuming that light speed is constant in the confines of space and hasn't changed over time, shouldn't we only be able to see back as far as first light? The graphic suppli...
by BMAONE23
Fri May 06, 2016 5:04 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: NGC 7023: The Iris Nebula (2016 May 06)
Replies: 8
Views: 3099

Re: APOD: NGC 7023: The Iris Nebula (2016 May 06)

An iris has a dark dot, the pupil, in it. And :no:, it doesn't look like the flower either. https://s-media-cache-ak0.pinimg.com/236x/fd/f1/75/fdf175cbca4c0034e6616c194fe6d2ae.jpg I don't know. Doesn't the shape and color of the Iris Nebula somewhat resemble a blue iris? Ann If you rotate the Iris ...
by BMAONE23
Thu May 05, 2016 9:15 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The SONG and the Hunter (2016 May 05)
Replies: 16
Views: 3420

Re: APOD: The SONG and the Hunter (2016 May 05)

Funny,
At first glance my mind thought of it as "The Song of the Hummingbird"
by BMAONE23
Thu May 05, 2016 9:12 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Crossing Mars (2016 May 02)
Replies: 59
Views: 6043

Re: APOD: Crossing Mars (2016 May 02)

Especially if it were a One Way Trip
by BMAONE23
Thu May 05, 2016 7:25 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The SONG and the Hunter (2016 May 05)
Replies: 16
Views: 3420

Re: APOD: The SONG and the Hunter (2016 May 05)

Personally, I find the concept of gravity to be very attractive but I am also repulsed by the thought of Anti Gravity
by BMAONE23
Thu May 05, 2016 5:22 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Crossing Mars (2016 May 02)
Replies: 59
Views: 6043

Re: APOD: Crossing Mars (2016 May 02)

If they truly want to see if we can survive there (not likely without pressurized habitats) They should send a Payload with the next explorer project that includes a water supply and seeds to show we Can or Can't grow food there. The lander would need a small dome with internal mechanisms and camera...
by BMAONE23
Wed May 04, 2016 5:04 pm
Forum: Open Space: Discuss Anything
Topic: Stream of Stuff
Replies: 780
Views: 385910

Re: Stream of Stuff

by BMAONE23
Wed May 04, 2016 4:58 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Mercury Transit Sequence (2016 May 04)
Replies: 14
Views: 2976

Re: APOD: A Mercury Transit Sequence (2016 May 04)

Considering that Mercury covered such a small portion of the Sun's surface (smaller than many larger Sun Spots) it would more likely go undetected by any instrument incapable of discerning a small Exo-planet from a Star-spot. The only telltale sign would be from the Duration and repetition of the ev...
by BMAONE23
Mon May 02, 2016 7:34 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Crossing Mars (2016 May 02)
Replies: 59
Views: 6043

Re: APOD: Crossing Mars (2016 May 02)

funny thing is, in the linked article the Dress is clearly either Light blue/Gold or White/Gold with Blueness caused by shadowing while the adjoining article definitely is Royal Blue and Black The WIKI article definitely displays a dress that is not Blue and Black https://www.buzzfeed.com/claudiakoe...
by BMAONE23
Sat Apr 30, 2016 2:59 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Fermi's Gamma-ray Moon (2016 Apr 29)
Replies: 25
Views: 4498

Re: APOD: Fermi's Gamma-ray Moon (2016 Apr 29)

While the gamma ray sun may be quiet when compared to the energetic gamma ray moon, it can be far brighter than the gamma ray moon when flaring http://www.nasa.gov/images/content/658561main_LAT_all-sky_flare_March_7_2012_labels.jpg http://heasarc.gsfc.nasa.gov/docs/objects/heapow/archive/solar_syste...
by BMAONE23
Fri Apr 29, 2016 5:03 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Fermi's Gamma-ray Moon (2016 Apr 29)
Replies: 25
Views: 4498

Re: APOD: Fermi's Gamma-ray Moon (2016 Apr 29)

This would have been a much better image if it were taken near Solar Eclipse and had both the Sun and Moon in the same image.
But not bad though...
Why, the Moon is just teeming with Energy. All we need to do is find a way to gather that Gamma and put it to use.
by BMAONE23
Fri Apr 29, 2016 4:59 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Fermi's Gamma-ray Moon (2016 Apr 29)
Replies: 25
Views: 4498

Re: APOD: Fermi's Gamma-ray Moon (2016 Apr 29)

APOD wrote [cut] up to a billion or more times [cut] which sounds "as heard on TV". Don't mess with gamma rays. They're seriously energetic. There's a reason people don't go near the Chernobyl site and why astronauts need shielding from them! (Although apparently humans are more harmful t...
by BMAONE23
Fri Apr 29, 2016 6:02 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Dust Angel Nebula (2016 Apr 28)
Replies: 18
Views: 3557

Re: APOD: A Dust Angel Nebula (2016 Apr 28)

Ann,
That is a really interesting elliptical galaxy with the interior dust lanes and apparent blue starbirth within it. There is also an interesting apparent toroidal structure visible
by BMAONE23
Fri Apr 29, 2016 5:47 am
Forum: Open Space: Discuss Anything
Topic: Stream of Stuff
Replies: 780
Views: 385910

Re: Stream of Stuff

At least the police didn't kill this crazy person even though it could have been devastating if the device were real. I'm kinda surprised that they didn't shoot to kill
by BMAONE23
Fri Apr 22, 2016 5:43 pm
Forum: Open Space: Discuss Anything
Topic: Happy Earth Day April 22
Replies: 0
Views: 1099

Happy Earth Day April 22

Happy Earth Day to all :mrgreen: